M14 Scopes
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A SYSTEMS APPROACH IN ANALYSING MATERIAL CONSTRAINING FACTORS TO CONSTRUCTION PROJECT MANAGEMENT SUCCESS IN NIGERIAN
A SYSTEMS APPROACH IN ANALYSING MATERIAL CONSTRAINING FACTORS TO CONSTRUCTION PROJECT MANAGEMENT SUCCESS IN NIGERIAN.
By; Dr. C.C Nwachukwu ANIVS, FCRMI, Lecturer, Project Management Technology Department, Federal University of Technology Owerri, Imo State, Nigeria, West Africa. GSM; 08033289740, E-Mail; nedumchisma@yahoo.com
ABSTRACT
The study analyzed materials as an integral part of the direct and indirect factors that constrain project management success of public and private sector construction in Nigeria using systems approach. This study is very relevant as any constrain to the success in the construction sector has a significant effect on the overall economic growth of the nation. Data analyses were computed based on the subjective data on the factors Relative Relevance Indices of Attributes. Factor analysis was used to collapse the factors to fewer but interrelated variables. The result of the analysis of material factors will lead to the development of a computer model and advanced project management software that will include materials as an efficient instrument in tracking projects alongside with Time and Cost variables.
KEYWORDS
Material Constraining Factors, Systems Relative Relevance Attributes, Public and Private Sector Construction.
INTRODUCTION
Construction industry could been ranked among the top four out of about twenty economic sectors in terms of inter-sector linkages. The importance of this sector as an agent of development is enhanced by its ability to provide gainful employment for the teeming population of the nation. To this end therefore, the strategic importance of the construction industry in a growing economy like Nigeria cannot be over-emphasized as we have seen that the industry account for a significant percentage of the nation’s Gross Domestic Product and employs a substantial fraction of the labor force. Construction industry is a major index as a factor in the social and political integration of the society and ranks as one of the major budgetary areas of developing economies. The construction industry is proven to be the corner stone and bedrock of rapid economic growth of any nation (Bhavesh, 2006). This is underscored by the fact that capital projects in Nigerian budget mostly represent over 40% of the total projected expenditure in both Federal and state governments annual budgets and also in the nations various development and rolling plans. The product of construction industry is desired not for the services they create as commerce and industry have a structural base. According to Eric, 2003, “the industry is likely to remain a major area of development activity as the need for the provision and replacement of infrastructure become more relevant in the years ahead”.
This study is limited to material factors constraining construction project management success in Nigeria. Project success constrains as a system are inter-related and have significant effect individually and collectively on both public and private sectors of the economy.
OBJECTIVE OF THE STUDY
The study is aimed at identifying and analyzing material constraining factors to project management success of both private and public sector construction in Nigeria. The analysis will reflect the strength of each factor and the rate at which it influences failure, abandonment and collapse of construction projects in Nigeria. The result of the findings if implemented is expected to reduce the rate at which projects fail in Nigeria if not eliminating them.
METHODOLOGY
Data for the analysis was through direct and indirect sources. A five point-Likert scale format was used in the questionnaire design. Factor analysis was used to collapse the variables to fewer but interrelated variables. The ANOVA was used to confirm the differences in the level of relevance of these factors constraining project success. The analysis focused on cost related constrains in the construction of Ten building structures housing Imo State secretariat Owerri by Ten different construction firms, the construction of Owerri Onitsha road that is still ongoing and the construction of Oceanic bank building along Douglas road Owerri, all in Eastern Nigeria, West African Sub-Region. The analytical formula is RRId = ?ci/CI x 100.
HISTORICAL BACKGROUND OF THE STUDY
The modern concept in the history of construction industry increased the responsibilities of human resource management especially in materials procurement which is evidenced in increased contractor's managerial role. The Latham Report in 1994, the Egan Report in 1998, and the result of the Rethinking Construction helped in galvanizing the pace of change in materials substitution in the construction industry. The report called for a 'radical change to the processes of specifying material requirements in construction project design, procurement process, storage and instalation. The four 'key elements' of product development, project implementation, partnering the supply chain and the production of components should be subject, it said, to innovations resulting in integrated project processes. Most importantly, the report urged the development of a culture of performance measurement in material handling so that the efficacy of such innovations could be evaluated and continuous improvement promoted. Seven targets were set relating to improvements in cost, time, predictability, defects, accidents, productivity in material management.
The evolution of sophisticated construction materials and the effect of communication in enhancing marketing strategies is a possitive index in its avialability. However, the available construction materials to choose from are many; some of the materials are new and have not been tested. Stringent rules are now being required, for example to meet environmental protection law prescriptions. Methods of construction have changed over the years from mere lying of bricks and blocks to sophisticated complex concrete and steel constructions both in-situ and fabricated. These methods require different management systems approach than the conventional methods could cope with.
THE IDENTIFIED MATERIAL RELATED FACTORS CONSTRAINING PROJECT MANAGEMENT SUCCESS IN PUBLIC AND PRIVATE SECTOR CONSTRUCTION IN NIGERIA ARE:
- *Incomplete detailed information on material installations and functional life of the materials.
* Delays in material procurement caused by the client, project team, and or contractors and its implications on construction cost and time.
*Lack of detailed information on weather effects of some construction materials and their implication as regards installation, duration, maintenance capabilities especially foreign procured materials.
* Effective and efficient management of procured materials on site, Inadequate or incomplete specification on design and documentation.
* Initial cost estimating errors on materials type, quantity and quality.
*Attitude of project team and client towards material control and monitoring on site during construction.
* Forecasting the inflation effect on materials at the conception and planning stages.
* High cost of basic building materials and their effect in causing construction projects delays and abandonment.
* Bribery and corruption as they affect cost of materials procurement.
*Inadequate established and systematic materials Cost control procedure for the project design and construction.
* Computers rarely employed for measuring the weight and quality of materials. *Critical and crucial issues like personnel motivation that will affect materials design, procurement and storage are not usually considered and clearly specified. *Lack of adequate information on health implications of some materials on end users and handling process during installations.
* Minimising specialist work, promoting Prime cost on provisional sums for some materials.
* Specialist work on some material installation are not well defined early in the project.
* Clarity of design brief and minimum design gap on materials.
THE RESEARCH MODEL
The model in figure 1 consists of direct and indirect variables developed as a holistic approach to solving the problem of project management success constrains in the construction industry in Nigeria. This study is based on the analysis of only material factors as a subsystem of the general presented system. The arrows in the model show how the variables interrelated and are intra-dependent. To this end, it shows that any factor that affects a subsystem variable will invariably affect every other factor from that system and also from other subsystems.
TIME SUBSYSTEM
SUBSYSTEM
CLIENT SUBSYSTEM
SSSSUBSUBSYSTEM
PROJECT MANAGEMENT SUBSYSTEM
SUBSYSTEM
ENVIRONMENTAL SUBSYSTEM
CONSTRUCTION
SUBSYSTEM
DESIGN SUBSYSTEM
SUBSYSTEM
QUALITY SUBSYSTEM
SUBSYSTEM
Figure 1 THE CONSTRUCTION PROJECT MANAGEMENT SUCCESS INTERACTIVE MODEL composed by the researcher
Principal Factor Loadings of Public and Private Sector in the Materials Subsystem Variables and there RRIA.
Table 1 Factor loadings
Common variables
Public
Private
Factor 1
Fluctuation in the cost of materials
Inadequate storage facilities, ambiguous material specification during design.
Initial material cost estimating errors
Attitude of project team towards material wastage.
Forecasting the cost effect of a decision before implementation on material substitution
Inadequate established and systematic material cost control procedure
Critical and crucial issues affecting materials not considered
Inadequate planning on alternative materials
Minimizing specialist work prompting provisional and prime cost sums on materials
Clarity of design brief and minimum design gap
0.51628
0.66515
0.54089
0.61521
0.60849
0.66303
0.64086
0.65712
0.61150
0.49967
0.50220
0.69005
0.55518
0.5782
0.64619
0.66445
0.63301
0.67830
0.54593
0.48571
Unforeseen circumstances
High interest rates on loan facilities for material procurement
Bribery and corruption
Minimizing claims through thorough understanding of contract conditions
Ability of design to achieve economy on materials
Frequent change orders/variations with financial implications
Construction delays
Cost control during design stage
0.58869(4)
0.47275(3)
0.37300(5)
0.50749(3)
0.54449(2)
0.54988(2)
0.52056(2)
0.46890(2)
0.56538(2)
0.54608(1)
0.61019(1)
0.50174(1)
0.69529(1)
0.585509(1)
0.595144(1)
0.54362(2)
0.55482(2)
0.51020(2)
Source: Computer Analysis of the study
ANALYSIS OF THE VARIABLES
In the material subsystem, three principal factors having eigenvalues greater than 1.0 were obtained in both public and private sector projects For the purpose of extraction of relevant factors for computation, only those factors greater than 0.400 were considered. In addition, the various factors were given descriptive names on the basis of their most basic variables that is, variables with the highest loadings. It will also be noticed that a number of variables load higher than one. For the purposes of loading extracted factors, variables were grouped with factors where they have the highest wieght.
Table 2 Eigenvalues greater than 1.0, percentage variance and cumulative percentage
A – PUBLIC
B – PRIVATE
Factors
Eigenvalues
Percentage variance
%
Cumulative percentage variance
Eigenvalues
Percentage variance
%
Cumulative percentage variance
%
1.
2.
3.
4.21470
3.42151
2.36102
17.7
10.1
8.3
17.7
29.4
51.1
3.61363
3.16195
1.45613
23.1
14.1
5.8
23.1
54.4
61.3
Source: Computer Analysis of the study
Table 3 (A,B) Variable groupings into dimensions using principal factors
A – Public sector construction
Factors Extracted variables and their loadings No of variable L/D Factor Name
Per factor
1 M2 M5 M6 M7 M8 M11 M13 M14 10 Thorough detailed scope definition,
- 0.51628 0.66515 0.54089 0.61521 0.60849 0.66303 0.64085 0.65712 adequate planning & attitude
M15 M16 towards material management
0.61150 0.49967
2 M1 M3 M17 M1 M198 5 Effects of material procurement and
- 0.52056 0.46898 -0.54449 0.54988 -0.56538 storage, delays & uneconomic use.
3 M9 M12 2 Fluctuations on the cost of materials
- 0.47275 0.50749 and variance in quality.
4 M4 1 unforeseen circumstances
0.58869
M10 1 Bribery and corruption in procurement processes
0.37380
Sources Computer analysis of the study
B – Private sector construction
- M2 M4 M5 M6 M7 M8 M9 M10 16 Detailed scope definition & planning
- 0.50228 0.54608 0.69005 0.55518 0.65782 0.4619 0.61019 0.50174 material procurement and storage
M11 M12 M13 M14 M15 M16 M17 M18
- 0.66445 0.69529 0.63301 0.67830 0.54593 0.48571 0.58509 0.59594
- M1 M3 M19 3 Cost implications of variation in material variations
- -0.54362 -0.55482 0.51020
3 - - - - - - - - -
Source: Computer Analysis of the study
RESULTS OF FACTOR ANALYSIS OF PUBLIC MATERIAL VARIABLES
It is interesting to see that 4 of the 6 attributes defining this dimension are related exclusively to the early definition stage of the project, while only two relate to the other stages. These are “Fluctuations in materials cost” and “Attitude of project team towards material management”. The second attribute is also very important in the definition stage since the attitude of the client and the project team towards material management at the early stage has marked effect on the achievement of the project goal. Attitudes of the client and project team towards material management are very important. Fluctuation in materials cost is another variable that load in the first sector. Materials could be bulk purchased, payment and procedure for fluctuation payment or non-payment incorporated early in planning at conceptual stage. The second factor identified as “cost effects of materials variation, delays and uneconomic material specification in design” is defined by 5 variables, 2 of which load positive while 3 load negative on the factor, 4 variables have factor loadings exceeding 0.5000 while 1 variable loaded less than 0.5000. These variables include; frequent change orders, delays, claims minimisation, design economy and design stage cost control. This factor accounts for 12.1% variance explanation with Eigen value of 2.24. Frequent change orders and variations in materials procurement loaded fourth.Factor 2 variation have direct and indirect effect on material wastage. Direct, in that quality of materials, labour and plant are affected or altered indirectly, it has also a disruptive effects on the schedule which further affect cost. This variable, endemic in the Nigeria public sector construction, has its root in the inadequate scope definition during the conceptual stage and therefore, relate to the factors as described above.
Extracted Variables and their loadings
No of variables L/D per factor
Factor Name
1.
M15 0.64065
MC16
0.58676
M17
0.76118
M18
0.73077
M 19
0.68088
5
Detailed specification of material requirement & early supply planning.
2.
M1
0.62969
M2
0.76537
M3
0.59939
M5
0.59243
M13
0.51608
M14
0.68307
6
variations on quality specifications of materials
3.
M6
0.76067
M7
0.53492
M8
0.60394
M9
0.67423
4
Interest rates on loan for material supply & efficient control on use.
4.
M11
0.57173
M12
0.76432
2
Initial material cost estimating errors
5.
M4
0.61636
M10
0.57842
2
Unforeseen circumstances & bribery & corruption
Table 4 A – Public Sector factor Analysis
Source: Computer Analysis of the study
Results of Private Sector material subsystem factor analysis
In the private sector materials subsystem, 5 factors accounted for 62% of the variance explanations in the total data input extracted. For details of their factor loadings, Eigenvalue of proportion of variance explanation per factor, greater proportion of variance is therefore accounted for by the factors in the private sector than that in the public sector construct5ion.
The Dominant factor, one, explains 33% of the variance as against 27.7% in the public sector. But unlike the public sector, which has 10 variables, this factor has 16 variables loaded on it out of the 19 variables. The public and private sectors have 10 common variables loaded on the dominant factors. Material planning during design stage loading higher in the private sector shows the importance of this variable in this sector. Effective material planning at an early stage is a pre requisite to staying within budget once all the factors affecting cost during execution stage will be taken into account and provisions made for them. There is however, tendency of project team members to deliberately underestimate the material content of a project in order to get a go ahead approval from the authorities as a quotation strategy. From the private sector factor analysis, the second factor has three variables loading on it, 2 negatively and one positively. The negatively loading variables are “frequent change orders/variations of materials with its financial implications” and “construction delays” based on unavailability of ordered materials. The positively loading variable is “material planning and control during design stage”.
Table 4B– Private Sector Factor Analysis
Factors
Extracted variables and their loadings
No of variables L/D per factor
Factor Name
1.
M6
0.79724
M7
0.57957
M8
0.56280
M10
0.62932
M11
0.53132
M12
0.56207
6
Systematic materials procurement and control procedure
2.
M15
0.69186
M17
0.71451
M18
0.57367
M19
0.77705
4
Detailed scope definition of material requirements & early design cost planning for material shortage
3.
M1
0.68853
M2
0.83431
M3
0.80075
MC9
0.52054
4
Cost effects of fluctuations, delays and variations in the use of materials
4.
M5
0.55708
MC13
0.75255
M14
0.53159
3
Poor material inventory control
5.
M4
0.57955
M16
0.66652
2
Weather effect on materials
Source: Computer Analysis of the study
The first part of table shows the comparison between the public construction sectors in the terms of the principal loadings of various variables. The 10 variables common to both sectors are loadings on factor 1, which show that the loadings are generally similar in 14 out of 19 variables. The second factor is defined by 6 variables, one loading very high and the other 5 moderately high. The variables that load highest are fluctuations in materials labour and plant costs (inflation). The variable is a very significant factor causing materials constrains in the public sector construction. The next highly loading variable is inadequate planning followed by frequent change orders and variations with their financial implications. Construction delays and inadequate or incomplete design have approximately equal loading 0.59939 and 0.59243 respectively. The variable that is least loaded on this factor is the critical and crucial issues that will affect materials supply and use. Factor 2 is therefore termed “inflation, variations and poor planning”. Comparing this with corresponding factor 2 (principal factors), 5 variables are common to both factors. Factor 3 has four variables loading on it against 2 variables loading on factor 3 using principal factors. The four variables include initial material cost estimating errors, attitude towards material wastage by project personnel, ambiguous materials specifications during design and interest rates on loan for materials procurement. The variable common to the two factors is high interest rates. This factor is therefore termed “interest rates, attitude, and efficient cost control “The fourth factor is defined by only 2 variables, inadequate established cost control procedure on material procurement. The corresponding factor 4 using principal factors has only one variable loading on it (unforeseen circumstances) thus; there is no common variable between the two factors. The fifth factor is also defined by 2 variables, unforeseen circumstances-likelihood of unexpected events in the employers risk area and bribery and corruption. It is interesting to note that the corresponding factor 5 using principal factors, has bribery and corruption as the only variable loading on it.
CONCLUSION
Material s, I suggest should not be regarded as having been taking care of by cost. The four direct factors of Time, Cost, Quality and Materials management are interwoven, interrelated and should be checked as critical factors that constrain success in any construction project management irrespective of the magnitude of the construction work. We know as project stakeholders that delay in material procurement, inventory practices etc could prevent the commencement of a critical activity and invariably affect cost in all its ramifications. In a long run, health implications of a construction material may affect the value of a constructed property like the use of asbestos material in roofing and ceiling. Also, the inability of analyzing weather implications of some local and imported materials will definitely affect the maintenance of the constructed structure. Some materials expire during the implementation process of the construction project and the replacement will definitely affect construction time, cost and quality of work.
RECOMENDATIONS
- Materials specification and analysis should be seen as a significant index in appraising project proposals. There should be no ambiguity in material specification in project design especially for complex prosals. Project stakeholders should see material factors as part of direct factors that must be watched carefully for project implementation to succed. The result of this analysis of materials factors will lead to the development of a computer model and an advanced construction project management soft ware that will include material handling and substitution as an efficient instrument in tracking projects alongside with time and cost
Computer based project management techniques should be used in analysing cost schedules, tracking and smoothing of activities during project executions.
A project manager should be appointed early enough in the project life cycle to handle the management from inception to completion. This project manager, in conjunction with the design team members should define the scope of the works in detail in terms of material alternatives.
REFERENCES
Ashley, D.B and Lurie, L.S. (2004) Determination of Construction Project
Success, Project Management Journal, Vol. XVII No. 2. PP146
Baker, M .L (2002) Materials Management Systems Analysis and
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Bhavesh, .M. P (2006) Project Management Strategy Financial Planning,
Evaluation and Control, New Delhi, PTV Ltd.
Cleland, D.I. and King, W.R. (1988) Project Stakeholders Management, Project
Management Journal, Vol. 17, No.4. PP 36
CLELAND, D.I (1986) Project management Handbook, Second Edition, New
York, U.S.A Van Nostrand Reinhold, PP 964
Dugun, S.L. and Barry, B.U. (2006), Construction Planning Effects. Journal of
Construction Engineering and Management. Vo. 115 No. 1 PP 70.
Eric, C.E., (2003) Facility Design and Management Hand book, London,
McGraw-Hill, PP 531
Harold, K. R (2004) Project Management A Systems Approach to Planning,
Scheduling and Controlling, New Delhi, India. S.K Jain Publishers,pp68
Macomber, E.A (2008) “Reforming Project Management”
http:///weblog.halmacomber.com// 5/4/2006
Milosevic, D.Z. (2007) Systems Approach to Strategic Project Management.
International Journal of Project Management. Vol.7 No.3. PP57
Ninos, G.E. and Wearne, S.H (2005) “Control of Projects During Construction”.
Proceedings of Institute of Civil Engineers, Part 1, 8th August 80
Engineering Management Groups:PP 913.
Nwachukwu, CC (2008) Analysis of Factors that Constrain Project
Management Success of Public and Private Sector Construction in
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Roy, P.D. (2005) the Construction Project Manager and Human Group Theories Cost Engineering, vol. 31 No. 7PP10
About the Author
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Adesso CyberTablet M14 Graphics Tablet $130.99 0.60" x 16.50" x 11.80" 1024 Pen Level 12" x 7.25" 4000 lpi CyberTablet M14 Graphics Tablet Cordless Pen Pen Soft Office Ink Free Notes PhotoImpact XL Power Presenter RE II Adobe Photoshop Elements 5.0 Pentium 200 MHz (or equivalent) processor or higher Video card with 4 MB of Ram for minimum 24 bit (True Color) display 32MB of Ram (64MB recommended) 4X speed CD ROM or higher USB Port Operating Systems: Windows 98 Windows ME Windows 2000 Windows XP Windows Vista Mac OSX The CyberTablet M14 is one of the most spacious tablets in its class. The tablet is able to support a 12" x 7.25" or 9.5" x 7.25" selectable writing area. The tablet is great for graphic artists and animators, architects and engineers, web designers and people who love to draw. It is ideal also for students and professional who are in to handwriting, sketching, coloring and editing photos. It features a powerful pressure sensitivity to accomplish the most sophisticated computer-aided design task with the aide of 4000 lpi (lines per inch) hardware resolution and 1024 lop (level of pressure) pen sensitivity. It makes easier to use with the aide of an ergonomic pen, tablet and software which is included in the package. It lets you draw naturally and let you write freehand graphics and text, as comfortable as on a real paper. This Media Graphics Tablet provides you with excellent writing and drawing convenience, making it easier for you to use with your PC or Mac. Adesso Adesso, Inc CYBERTABLET M14 Cable CyberTablet CyberTablet M14 Graphics Tablet Graphics Tablet M14 Mac Not Applicable PC Pen Silver Type A USB 1.1 USB www.adesso.com |
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Move Over, Scopes (Paperback) $32.02 Move Over, Scopes and Other Writings both extends Julian Silva`s richly-textured portrait of Portuguese-American community life in his narrative diptych, Distant Music, and enlarges it to include subjects as varied as backbiting London theatre has-beens ("The Waxworks Show"), a final pilgrimage to the Bronte parsonage ("A Visit to Haworth"), and recollections of a Japanese-American babysitter interned following Pearl Harbor ("Kimi"). As always, Silva is fully attentive to descriptive detail and apt choice of metaphor--nowhere more so than in recalling livestock being raised and dispatched in "Coming to Terms with the Facts of Animal Life." The novella Move Over, Scopes, however, does it all, as Henry Ramos attempts to mollify fellow Portuguese-American Catholics--led by his own wife Louise--outraged over Estelle Dobson teaching Darwin`s theory of evolution. Twists and turns include machinations of a hotly contested School Board election and the need to resist Miss Dobson`s seductive appeal. At a time when Creationism may be making a come-back, Move Over, Scopes could not be more timely. |
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Echo1 M14 400 Round High Cap Airsoft Magazine $24.95 Echo1 M14 High Cap Magazine A high cap magazine for the Echo1 M14 and compatible AEGs made by Echo1. This magazine must have the tension wheel wound to feed BBs. Features: *Made by Echo1 *Metal Plastic Construction *Holds 400 6mm Rounds *For Echo1 M14 and compatible models |
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Land-Baser Radar Scopes Atop Quonset Huts $79.99 Land-Baser Radar Scopes Atop Quonset Huts - Premium Photographic Print |
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Sedalia Residents Discussing Campaign, Sighting in Scopes $79.99 Sedalia Residents Discussing Campaign, Sighting in Scopes - Premium Photographic Print |
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8 tlg. Schleif- und Poliersatz für Winkelschleifer M14 $19.9 für Einhand-Winkelschleifer mit Aufnahme M14 (für Umfangsgeschwindigkeiten bis 80/sec.). 1 Drahttopfbürste 60 mm, 1 elastischer Gummiteller mit Flanschmutter M14, 115 mm, 1 Lammwoll-Polierhaube, 5 Fiberscheiben sortiert. |
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Field Guide to Binoculars and Scopes $24.99 Modern binoculars and scopes meet a variety of user needs. This Field Guide provides readers with a concise, organized reference that explains the functions and configurations of instruments commonly used by bird watchers, hunters, amateur astronomers, and military and law-enforcement members. This book also addresses the rationale behind instrument design choices, with hardware examples illustrating specific arrangements and features. |
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Scopes: Creation on Trial $3.99 "Although much has been written about the famous 1925 "Monkey Trial" in Dayton, Tennessee, most accounts are skewed in order to shed the best possible light on evolution. This handy, 48-page booklet, however, outlines the real facts surrounding the case. For example, far from being a dedicated teacher hounded by fundamentalists, high school teacher John Scopes never taught evolution at Dayton, but rather allowed himself to be a "test case" for those who wanted to see evolution taught in public schools. Meticulously researched and illustrated, this book sets the record straight." |
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IRONSIDE Topfbürste 100mm M14 0,3mm gewellt, für Winkelschleifer $9.99 IRONSIDETopfbürste, gewellter Draht , mit Gewindeanschluss M14 , 100 mm , Drahtstärke: 0,30 mm |
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3er Set Schwabbelscheiben 150 mm aus Baumwolle (M14) zum Polieren $31.9 Für allgemeine Polierarbeiten: 3-er Set Schwabbelscheiben mit 3 Steppnähten, für M14 Aufnahme, 150 mm. |
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LMP X0356D DVDUnderstanding Scopes and Ballistics $27.91 How to select rifle scopes use a reloading manual what effects the atmosphere altitude play on your accuracy what parallax is how to work with it lots more DVD 60 min. Once you understand the fundamentals and basics of rifle shooting the next logical step is to increase your knowledge of the equipment and ammunition you are using. This program is a wealth of information on how to choose and use optic scopes and how to understand the ballistics of ammunition. G. David Tubb is one of the most succesful rifle rifle shooters to ever live. He ll show you how to select rifle scopes how to use a reloading manual what effects the atmosphere and altitude play on your accuracy what parallax is and how to work with it and lots more Knowledge is power and this program gives you more than 30 years of shooting experience designed to help you better understand scopes and ballistics. |
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Bryan at Scopes Trial - 1925 $169 "New lower price!William Jennings Bryan discards his collar and coat in the torrid courtroom of Dayton, Tenn., as the Scopes ""Monkey Trial"" gets underway on June 19, 1925.Each exhibition-quality print meets the highest photographic standards and is individually created with the finest ink and fiber-based archival paper.About Our Fine Art PhotographyUnframed photos ship in 3 - 5 business days. Framing adds 2 additional production days.Expedited shipping will not shorten production time." |
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Alpen 706 Digital Camera Adapter for Spotting Scopes $101.61 Alpen is the newest name in sports optics. Established in 1997 they developed a line of binoculars spotting scopes rifle scopes and accessories they believe offer the best value in the industry today. Their objective is to provide superior quality optical products at affordable prices. Alpen 706 Digital Camera Adapter for Spotting Scopes Features: Made In: China |



US $68.95






























