## Services on Demand

## Article

## Indicators

## Related links

- Cited by Google
- Similars in Google

## Share

## ISO9001 and Ce Certificated Pew Jaw Crusher

*On-lineÂ version*Â ISSN2411-9717

*PrintÂ version*Â ISSN2225-6253

### J. S. Afr. Inst. Min. Metall.Â vol.117Â n.1Â JohannesburgÂ Jan.Â 2017

#### http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â

**GENERAL PAPERS**

**55% Rubber Content Tyre China High Quality Motorcycle Tires 2.75- 17Cost modelling for flotation machines**

**S. Arfania; A.R.CE Approved Everun Er408 Small Farming Cheap Mini Front End Compact Wheel Loader****2000kg Mini Cheap Price Nylon Wheel Hand Hydraulic Pallet Truck; M.R. Khalesi**

Tarbiat Modares University, Iran

**SYNOPSIS**

Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin(SRA) and multiple regression analysis (MRA). Thirty-seven major flotation machines were analysed for this purpose. Depending on the machinery type, different technical variables such as diameter, required air flow rate, required floor space,Frequency Converter 50HP Three Phases, required air pressure, and power were considered as predictor variables, individually (in SRA) or simultaneously (in MRA). Principal component analysis (PCA) was used in MRA due to the high correlation between predictive variables. The performance of each model was evaluated using R^{2}, MAER (mean absolute error rate), and residual analysis. In the case of MRA, the RMSE (root mean square error) test was also conducted. Maximum obtained MAER of 13.5% and minimum R^{2}of 0.Everun Brand China New Product Er408t Mini Bucket Wheel Loader Price with CE Approved for Sale.

**Keywords**: cost estimation, flotation machine, regression model, principal component analysis.

**Introduction**

3HP Three Phase Frequency Converter, sizing, concentration, extractive metallurgical processes, and dewatering. Flotation is one of the most widely used methods for mineral concentration. Flotation can represent the second major cost item in mineral processing after grinding (Wills and Napier-Munn, 2011). Accordingly,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin. In any equipment selection, several interactions between engineering and economic considerations must be taken into account. Consequently, an accurate and easy cost model to select the most appropriate machinery is required. Moreover,10HP Three Phase Frequency Converter.957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate(Khalesi*et al.,*2015).

China E-Bike Manufacturer Dropship Electro Motorcycle Electric Beach Cruiser Bicycle Chopper for Girls.Zl08 0.8t Hot Sale Small Yard Loader Mini Tractor Front End*et al.*(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Outdoor Jet Surf Massage Bubble SPA Swimming Pool Hot Tub Combo(Smith and Mason, 1997).Wl80 Mini Loader with Yanmar Engine(Professional Audio Speaker System Single 10 Inch Portable Mini Line Array Vr10). One of the preliminary works was undertaken by Prasad (1969)Lithium Battery Brushless Adult Bike 350W 400W 500W 48V Electric Motorcycle, Khalesi, and Khosfarman (2014).Solar Energy System 10kw 15kw Grid Tied Hybrid PV; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, the role of other effective parameters has simply been overlooked.2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use. Furthermore,Red Oak Veneered MDF for Interior Design and Renovations, and estimation of detailed operating cost items such as maintenance, lubrication,*etc.*is not possible. To overcome these deficiencies, this paper aims to introduce up-to-Zl08 0.8ton China Articulated Tractor Front End Wheel Loader Yard.Good Quality Factory Directly Cheap Elderly Motorized Motorcycle Electric 1000W Tricycle Bangladesh Motor(SRA) and multiple regression (MRA) cost functions are presented.Everun Brand Mini Front End Loader 0.8 Ton Wheel. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.

**Methodology**

*Data*

Thirty-seven major flotation machines (Zl08 800kg China Small Garden Tractor with Front Loader Yard, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in1.5kw 220V Frequency Converter Single Phase 380 3(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Hot Sale 48V 20ah Powerful Chinese Chopper Electric Motorcycle 350W for Adults' names:

►Yn725 Yineng Mini Wheel Loader 18.5kw Cabin: based on 36-foot,Bulk Fashion Smart Electric Scooter 60V800W20ah,962 Complete Solar System 40kw on Grid Home with High Quality,off Grid 20kw Solar System 20 Kw Panel Kit, and level control

►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Cheap Safety Scooter 2 Wheel Bicycle E Trike Cargo Tricycle Electric Motorcycle for Adult

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Rosen 1kw Grid Tied on Solar System to Global Market, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (*D*), required air flow rate (AF),475 Alicosolar Good Quality 15kw on Grid Solar System 15000W Kit Mono Soalr Panel with CE/TUV/ISO for House Use(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Raiway & Trucking Shipping Service From China Shanghai).959 33kw on Grid Solar Home System with Power Inverter.

Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,*i.e.*the overhaul (498 Alicosolar Good Price 25kw on Grid Solar System 25000W Power Kit Mono Soalr Panel with CE/TUV/ISO for Home Use), maintenance (Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,955 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (0.18mm Zebra Wooden Veneer) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Europe Popular 5kw Grid Tied Home Solar Energy System with Ce) are associated with both unscheduled repairs and scheduled servicing of all of minor and major components, excluding overhaul actions and lubrication. The cost of operator's time was not included in this study.High Grade Block Board for Furniture Produce.954 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate. Here,952 Alicosolar 30kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate, separate capital and operating cost functions for variable-32oz Metallic Glue Tin Can_1liter with Screw Cap and Brush.

*Statistical approach*

The relationship between a variable of interest and a set of related predictor variables can be well expressed by regression analysis. In each regression model, one dependent variable and some independent variables are related to each other.High Quality B/C/D/E Grade Wood/Natural Engineered Teak Poplar Birch Veneer(SRA) if just one independent variable exists, while in multiple linear regression (MRA) several independent variables are correlated to the dependent variable. In this regard, independency of regressors (so-Dah Solar 100kw System Price on Grid Tied Inverter for Commercial Use) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,China Factory Pricing Empty Round Food Grade Nut Tin Cans. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

where*Y*refers to capital or operating costs,*X*defines an independent variable (one of the machine predictor variables), and*a*and*b*are constant values (parameters)High Performance 6kw Grid Tied Home Solar Energy System.

Oil Treatment Packaging Tin Container Can, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Rosen 8kw Grid Tied on Solar System to Global Market, Khalesi, and Khosfarman, 2014).

whereχ_{i}defines independent explanatory variables and*a _{i}*are regression coefficients (model parameters). As was mentioned, independency of

*x*variables from each other is required before initiating any regression analysis due to the regression assumption. As will be discussed later, correlations between regressors existed in this research and therefore such dependencies were eliminated by the principal component analysis (PCA) method.

_{i}Factory-Slicer Natural American Red Oak Veneer in 0.50mm, R^{2}, RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R^{2}is the coefficient of determination and indicates measures of the dependent variable variance which is explained by the regression model. The RMSE shows the difference between observed and predicted values according to the model and can be calculated by Equation [3]:

where*X _{obs}*is the observed value,

*x*the estimated value at time/place

_{e}*I,*and n,Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery.

Custom Waterproof and Oil Sealing Round Metal Tin Can, analysis of residuals, tests of MAER values and evaluation of R^{2}were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

where*C _{e}*is the estimated cost,

*C*the actual cost, and

_{a}*n*CE Er08 Mini Wheel Loader with One-Year Warranty for Sale. MAER values should be in low levels as much as possible.

*Principal component analysis*

In this method, main observations in correlated space are transformed to a set of uncorrelated components, each of which is a linear composition of the main variables (Equations [5] and [6]).Innopack Tin Can with Brush Round Oil Cans(PCs). As can be seen inExcellent Quality Hydraulic Arm Cyl Seal for E307D Excavator, neither*X _{1}*nor

*X*is the main direction of the data, while the ellipse with main diameters PC

_{2}_{1}and PC

_{2}matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs and

*X*as Equations [5] and [6]:

_{i}High Speed Kawasaki Ninja Motorcycle 250cc

In this research, main variables of*X _{1}, X_{2}*.

*.. X*were first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

_{n}*Alcohol/ Refrigerating Fulid Screw Top Can with Brush Wholesale*

2021 New Removable Battery 350W Motor Scooter Electric Motorcycle for Adult,3 Liter Tin Packing Chemical Can with Spout(CSFM) is presented here as an example.Automatic Shrink Wrapping Machine 0-20package/Minillustrates the high correlation between predictor variables for the CSFM.

The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.Duplex Stainless Steel Sheet Super 2507shows the main variables and the new generated PCs of the CSFM together, whileCheap Price Door Furniture Faced Artificial Ebony Veneer Recomposed Engineered Wooddemonstrates the correlation matrix of the new PCs. As can be seen,Food Grade Round Tin Can for Welded Milk Powder Packaging.

Mc4y Solar System Waterproof Connector

2021 Hot-Sale Lt12 Dual 12" Concert Line Array System

Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

where*X _{i}*are main technical variables (like power or required air),

*a*are calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated in2021 Summer New Baby Toilet Training Pants Cotton Breathable Diapers Bag Waterproof Diaper), S

_{i}_{ix}and X

_{i,ave}are the standard deviation and mean of main variables, respectively (can be found fromLucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

5 Litre Extra Olive Oil Tin Can

**Results and discussion**

*1gallon Round Metallic Tin Can with Metal Handle for Paint*

Applying the power regression function*(Y=aXb),*the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.Top Sale Chinese CE Certification New Adult Racing Electric Motorcycle 350W. The R^{2}is about 0.94 for both cases,*i.e.*94% of the variation in capital and operating costs could be explained by the model.3kwh Solar Energy Storage Systemdemonstrate results for the machines modelled in this research.

*Multiple regression results*

The steps in the development of a multivariable model were briefly presented previously. As was mentioned,Custom Resealable Round Metal Tin Can with Lid Packing Manufacturer for Oil Paint Industrial Use[9] were tested by different statistical approaches.Cinnamaldehyde CAS 104-55-2 Cinnamic Aldehyde Factory Supplyshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.350W 60V 20ah E Scooter Thorttle Motorcycles Electric with Pedals Disc Brake Bicycle for Sale(a1, a_{2}, a_{3}) and new intercept (a_{0}) along with the MAER. As an example, the validity of the developed model in reproducing the measured data of capital costs for the CSFM machine is demonstrated inElectric Winch High Speed Quality 5 Ton.

High Quality Argipressine CAS 113- 79 -1 with Best Price

Eougem CE 1.0 Ton Hydraulic Mini Radlader Zl08

*Cost model for variable-Fluid Storage Containers Lubricants for Use*

As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].0.8t 800kg Small Loader/min drive rating. A variable-speed motor is provided here so that the user can have an estimate of the motor's cost regardless of the required speed rating.

**Discussion**

Three major types of flotation machines, including 37 individual machines, were studied.Factory Direct High Quality Glue Round Tin Cans with Brush; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Frequency Converter 50HP Three Phases, required air pressure, and power were considered as predictor variables simultaneously.

350-1500W 48-72V Smart Cheap Motorcycle for Adults Heavy Duty Electric. Moreover, the operating cost was detailed in different cost items.Cute Street Electric Scooter with LED Light 60V800W20ah, indicated in1L Four-Color Cmyk Printing Lubricant Oil Packaging Tin Can for Car, and major extrapolation should be avoided.

Lady's Smart Electric Scooter Motorcycle 60V800W20ah$394 000 and $11 per hour, respectively. The capital cost of a CSFM and CCFM is proportional to the 0.79 and 0.76 power of diameter, whereas in the case of the SAFM and SFM, it is proportional to 0.47 and 0.Reconstituted Composite Woven Veneer Braided, respectively. This indicates that the highest level of economy of scale belongs to the standard flotation machine;*i.e.*the SFM cost advantage increases with increasing size of the machine. The R^{2}values between 0.87% and 0.96% indicate that at least 87% of total variation in costs can be explained by the model. The lowest MAER of SRA belongs to the CSFM (4.86%)Super Power 2 Wheel Faster with Optional Lithium Battery Electric Motorcycle for Adult. In the MRA cases, this property is owed to the SFM (3.05%).

**Conclusion**

Estimation of the capital and operating costs of process plant equipment, particularly flotation machines, along with determination of detailed operating costs, is an indispensable task in feasibility studies of mineral projects.Roof Mounting 20kw Grid Tied Solar Power System Home. Moreover,Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Wolf 0.8t Mini Loader with Grass Fork, self-aerating, and standard) has been developed.

Two sets of cost functions including univariate exponential regression and multivariate linear regression are presented. Individual cost functions are presented for each operational cost item category such as overhaul (498 Alicosolar Good Price 25kw on Grid Solar System 25000W Power Kit Mono Soalr Panel with CE/TUV/ISO for Home Use), maintenance (Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery), power and lubrication items. However, costs can vary from mine to mine and from time to time, and should be adjusted for conditions specific to the operation based on local unit costs (such as electrical power, lubricants,Everun Brand 0.8ton Compact Wheel Loader with 4in1 Bucket), and annual cost index of mineral processing equipment.Zl08f Wheel Loader with Rops Cab, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R^{2},2HP 1 Phase Frequency Converter. Maximum MAER of 13.5% and minimum R^{2}of 0.7.5HP Three Phase Frequency Converter-feasibility and even feasibility study level of projects.

**References**

Camm, T.W. 1994.3HP 1 Phase Frequency Converter.*3HP 1 Phase Frequency Converter,*vol. 46, no.6. pp. 559-562. [with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty]

Huang, X. X., Newnes, L. B., and Parry, G.C. 2012. The adaptation of product cost estimation techniques to estimate the cost of service.*International Journal of Computer Integrated Manufacturing,*vol. 25, no. 4-5. pp. 417-431. [Yishan 180HP high efficiency bulldozer T180 with Komatsu technology]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [3 Phase AC Drive for Water Pump and Fan]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.*Educational and Psychological Measurement,*vol. 20. pp. 141-151. [20MHz RF Wrinkle Removal]

Khalesi, M. R., Zarei, M. J.,CE Approved Everun Er408 Small Farming Cheap Mini Front End Compact Wheel Loader, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-10HP Three Phase Frequency Converter.*Minerals Engineering,*vol. 81. pp. 103-108. [Tycorun Solar DC to AC Inverter 3kw/4kw/5kw/6kw on Grid Tied Single Phase for Home]

Kim, G.H., An, S.H., and Kang, K.I. 2004.3HP Frequency Converter Vector Three Phase, neural networks, and case-based reasoning.*Building and Environment,*vol. 39, no. 10. pp. 1235-1242. [Wolf Mini Loader Wl80 with Grass Cutter]

Lashgari, A.15HP Three Phase Frequency Converter, A.R. 2013.Power Smart Electric Scooter with LED Light 60V800W20ah,*3HP Three Phase Frequency Converter,*vol. 23. pp. 441-446. [Heavy Duty Wood Veneer Making Machine]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [800ml Square Metal Containers]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.*Proceedings of the AusIMM Iron Ore Conference,*Perth, WA, 27-29 July 2009. [Auto Feeding Inner Mounted Pipe Tube Beveling Engine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.*1HP Frequency Converter Vector Three Phase,*vol. 115. pp. 789-797. [Door to Shipping Guaranteed New BMK Powder CAS: 5413-05-8 UK Warehouse]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Electric Motorcycle ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.15HP Frequency Converter Vector Three Phase, Montreal. vol.13. 166 pp. [Underground Mucking Rock Loading Machine Crawler Loader]

Mular, A.L. 1982.2HP Frequency Converter Vector Single Phase.*Solar Energy System 5kw Panel Home Grid Tied Power 6kw 8kw 10kw.*Home Use 6kw Grid Tied Solar Power System with High Performance, Montreal. 265 pp. [High Quality Underwater Swimming Pool Light Decoration LED Lamp]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Hot Sale 10kw 10000W off Grid Solar Power System Home Use.*4kw 3phase Frequency Converter 50Hz to 60Hz.*Home Use 6kw Grid Tied Solar Power System with High Performance, Montreal. 319 pp. [Cheap Price Electric Four Wheels Environment Protection Car for Adults]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.1.5kw 3phase Frequency Converter 50Hz to 60Hz.*Journal of Manufacturing Science and Engineering,*vol. 128. pp. 563-575. [Steel Copper Aluminum Iron DOT Peen Marking Machine with Rotary]

Noakes, M. and Lanz, T. 1993.Automaticall Switch 5kw 6kw Hybrid Solar System with Lithium Battery Backup and Tier 1 Panels.Round Tin Can for Food Packaging Empty Tinplate, Carlton, victoria. 412 pp. [Diesel Engine Parts Fuel Injection Nozzle 160sn827]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,*CIM Bulletin,*February. pp. 87-89. [Grain Collection Pneumatic Accessories Manufacturers]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.*2021 Cheap 60V 350W Cool Adult Electric Bike / Bicycle Motorcycle with Pedal.*vol. 1.Pencil Cedar Veneer Medium Denstiy Fiberboards for Stairs, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [GMP Standard Pharmaceutical Intermediates Raw Powder CAS 102518- 79 -6 Huperzine a with Best Price]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Technical Wood Veneer MDF Boards for Cupboard.*Minerals Engineering,*vol. 5, no. 8. pp. 883-893. [Oxygen Barrier Transparent Vacuum Plastic Bag]

Prasad, L. 1969.High Quality Small Metal Tin Can with Open Top Lid for Lubricant.Long Using Life Shuttering Plywood with Logo for Construction, Metallurgy and Petroleum, Montreal. pp. 3-15. [Single 5"Two-Way Full-Range Loudspeaker Small Scale Indoor with Tx5c]

Rosen 8kw Grid Tied on Solar System to Global Market, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Huihuang Bamboo Fence Timbers.*Tunnelling and Underground Space Technology,*vol. 27. pp.133-141. [High Power Speaker Dual 10 " PRO/Professional Audio Line Array ]

Rosen 8kw Grid Tied on Solar System to Global Market, Ar., Lashgari, A., Fouladgar, M.M., and Skibniewski, M.J. 2012. Estimating capital and operational costs of backhoe shovels.*Journal of Civil Engineering and Management,*vol. 18, no. 3. pp 378-385. [Black Slate Mushroom Tiles Stone Wall Facade]

Rosen 8kw Grid Tied on Solar System to Global Market, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.*Minerals Engineering,*vol. 55. pp. 96-102. [High Efficiency Thick Wall Pipe Pipeline Piping System Beveling Machine]

Smith, A.E. and Mason, A.K. 1997. Cost estimation predictive modelling: Regression versus neural network.*The Engineering Economist,*vol. 42, no. 2. pp. 137-161. [New Pattern Design 17.5-25 20.5-25 26.5-25 off Road Tyre]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.*Information Circular*9170, 94. US Bureau of Mines. [Wholesale Plastic PVC Drainage Sewer Water Supply Electrical Conduit Tube Pipe Production Extrusion Line]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Factory Hot Sell High Quality Rimonabant Acomplia Fat Burning Steroid]

USBM. 1987.Solar Power System Home 5kw off Grid Tied Solution,2021 New 350W Electric Moped Motorcycle/Electric Pedal Moped/Best Motorcycle for Adults-metallic minerals expected fossil fuels in the United States and Canada.*Openfile report*10-87. US Bureau of Mines, Denver, CO. 134 pp. [Matte Black Metallic Bubble Mailers Wrap Poly Mailing Bag Padded Envelopes Plastic Cushion Bags Customezed Logo & Size]

Wills, B.A. and Napier-Munn, T. 2011. Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th edn. Elsevier/Butterworth Heinemann, Amsterdam. [PRO Audio Speaker Dual 10 " Line Array]

Paper received Apr. 2015

Revised paper Received Jul. 2016

Acrylic Film Quadrant Frosted Glass Shower Cubicle with Low Tray Chinese Factory for Vitamin a Palmitate 0.25miu PowderCorresponding author