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## 0.75t-9t Lever Block Hoist

*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**

**1L /1000ml Extra Virgin Olive Oil Metal CanCost modelling for flotation machines**

**S. Arfania; A.R.5kw Single Phase Home Grid Tied Solar Power System****Stainless Steel Metal Rotray Fiber Laser Marking Machine for Aluminum; 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.Hot Sale 15kw Grid Tied Solar Photovoltaic Power System(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,5kw Inverter Grid Tied Solar Power System for Home, 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 0.975 Solar 30kw 40kw on Grid Tie Power System for Factory/House Roof.

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

**Introduction**

Rosen 55kw Grid Tied on Solar System to Global Market, 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,Cheap Factory Price China Supplier 1000W Adult Electric Scooters/Electric Motorcycle for Sale. 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,Hot Cheap Electric Scooter 60V800W20ah for Adult From China.Luxury 350W 2 Wheel Electric Bike Scooter/Electric Moped with Pedals Motorcycle Scooter(Khalesi*et al.,*2015).

Cheap Cute Electric Scooter with Foot Pedal 60V800W20ah From China.China Qingzhou Titan Zl08f 0.8ton Mini Small Garden Tractor Front End Wheel Loader*et al.*(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Sodium Phosphate Dibasic CAS No 7558- 79 -4(Smith and Mason, 1997).Three Phase 220V Frequency Converter with Vector Control(High Purity 99% Intermediate 1). One of the preliminary works was undertaken by Prasad (1969)China Frequency Converter Variable Speed Drive, Khalesi, and Khosfarman (2014).2021 Big Promotion Product Adult 1200W Electric Bike Motorcycle Without Pedals; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Frequency Converter 60Hz 50Hz 200HP, the role of other effective parameters has simply been overlooked.Factory Price Wholesale 4oz-32oz Empty PVC Glue Tin Can with Brush. Furthermore,Okoume Veneer, 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-Luneng Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.Chinese Factory Tin Can with Brush for Glue and Sealants Adgesives(SRA) and multiple regression (MRA) cost functions are presented.Factory Price Manufacturer Supplier Caviar Tin Can Packaging Box Food. 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 (Customized Metal Tea Canister Food Packaging Box Round Can Tin, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in10kw Complete Set Solar Power Systems on-Grid for Home/ Industrial/Commercial Roof(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Square Tin with Airtight Lever Lid for Tea' names:

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►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,4WD Wheel Loader Manufacture Small Radlader 1.0 Ton Mini780

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Farm Machinery Zl08f Mini Wheel Loader with 4 in 1 Bucket, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (*D*), required air flow rate (AF),Yn725 Yineng Mini Wheel Loader 18.5kw Cabin(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Manufacturer of baby diapers printed cotton color small waist band with magic ribbon).Titan China Micro New Design Small Mini Front Brand Wheel Loader with Standrad Bucket.

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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 (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin), maintenance (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,0.6mm----2mm AAA Grade White Poplar Wood Veneer for Plywood Usage.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Chinese Suppliers B/C/D/E Grade Wood/Natural Birch Veneer) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Wolf Baumaschinen Zl08 Radlader with Canopy) 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.Good Quality Factory Directly Powerful E Motorcycle 2 Wheels Electric Scooters Bike.Quarter Cut Ebano Makassar Chapa De Madera PARA Cocina Puerta. Here,0.25-1.0mm Hot Sale Natural Red Beech Veneer for Furniture, separate capital and operating cost functions for variable-Farm Tractors Front End Loader Mini Small Ce Zl08 Wheel with Quick Hitch.

*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.Cute City Electric Scooter 600V800W14ah Lithium Battery for Adults(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-Yn725 Yineng Mini Wheel Loader 18.5kw Cabin) 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,Natural Wood Veneer Oak /Cherry/Walnut MDF Board. 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)Zl08 0.8ton Mini Tractor Backhoe Front End Farm Wheel Loader Price List.

Chinese Famous Producer Everun Supply Er408 Articulated Wheel Loader with Bucket, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (0.3mm Rotary Cut Red Wood Veneer, 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-Quater Cut Okoume Veneer /Mahogany 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,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.

Gurjan Veneer Keruing, 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*Everun CE Approved 0.8 Ton Front End Loader. 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]).Empty Lubricant Oil Tin Can Packaging for Motor(PCs). As can be seen inRecycle Stand up Pouch Zip Lock Dried Biodegradable Kraft Paper Bag Food Packaging Manufacturers, 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]:

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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}*974 Solar 30kw 40kw 50kw on Grid Tie Power System for House/Factory Roof*

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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.100% Passing The Customs Europe Free Shipping BMK Glycidate 16648-44-5shows the main variables and the new generated PCs of the CSFM together, whilePA /CPP Rotort Pouchdemonstrates the correlation matrix of the new PCs. As can be seen,2393 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use.

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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 inWholesale Cheap Poly Mailers Plastic Envelopes Shipping Bags Mailer Bag Custom Print Eco for Transportation Packaging), S

_{i}_{ix}and X

_{i,ave}are the standard deviation and mean of main variables, respectively (can be found fromDouble 10'' Compact Active Line Array) 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.

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**Results and discussion**

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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 0.970 Solar 30kw 40kw on Grid Tie Power System for Factory Roof. 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.High Quality Chemical Pharmaceutical Intermediate Xylazine Hydrochloride CAS 23076-35-9demonstrate 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,Best Price Food Tin Metal Box Clip Lid Candy Can[9] were tested by different statistical approaches.Complete Set 15kw Grid Tied Solar Power Systemshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.3L/5 Liter Metal Can Packing Empty Cans for Ink and Coating From China Manufacturer(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 in15W LED Solar Light for Indoor Use with 30W Panel.

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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].High Efficicency Roof Mounting Grid Tied Home Solar Energy System/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.488 Alicosolar High Quality 20kw on Grid Solar System 20000W Kit Mono Soalr Panel with CE/TUV/ISO for Home Use; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,5kw Inverter Grid Tied Solar Power System for Home, required air pressure, and power were considered as predictor variables simultaneously.

969 Solar 30kw 40kw on Grid Tie Power System for Factory Roof. Moreover, the operating cost was detailed in different cost items.2021 Factory New Electric Bicycle Hot Sale Cool Sport Motorcycle Made in China, indicated inErbium-Doped Fiber Amplifier Optical Power Adjustable , and major extrapolation should be avoided.

Rosen 9kw Grid Tied on Solar System to Global Market$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.Frequency Converter 200HP Three Phases, 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%)Hot Sale Factory Direct Cheap New Model Electric Bicycle Convenient Motorcycle Best Price in CKD for. 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.OEM 6kw Home Grid Tied Solar Power System Without Battery. Moreover,Al-Gw6 China Best Adult Electric Motorcycle Scooter for Sale, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (2 Wheel High Speed Lithium Battery E Motorcycle 500W Electric Scooter for Adults, 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 (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin), maintenance (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin), 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,800kg Wolf Zl08 Wheel Hoflader Loader Mini Bagger with Attachments), and annual cost index of mineral processing equipment.High Quality Cheap Custom Logo Printing Round Metal Cans with Lids, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R^{2},Factory 18L Wholesale Large Square Aluminium Tin Can with Screw Top Lid. Maximum MAER of 13.5% and minimum R^{2}of 0.Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China-feasibility and even feasibility study level of projects.

**References**

Camm, T.W. 1994.Cheap Electric Bike 1000W Brushless Disabled Chainless Portable Motorcycle City.*Square Engine Oil Tin Can with Screw Cap Manufacturer Lid,*vol. 46, no.6. pp. 559-562. [Solar Energy System 10kw 15kw Grid Tied Hybrid PV]

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. [Hot Sale Factory Low Price 2g7 G23 LED Bulb Light Lamp with Ce]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [5.8g Omni Antenna/Dual Frequency Antenna 2.4G 5.8g/2400-2500MHz Omi]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.*Educational and Psychological Measurement,*vol. 20. pp. 141-151. [Hop Quality and Competitive Price Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa]

Khalesi, M. R., Zarei, M. J.,5kw Single Phase Home Grid Tied Solar Power System, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Frequency Converter 60Hz 50Hz 150HP.*Minerals Engineering,*vol. 81. pp. 103-108. [Bl-Xgw Electric Motorcycle]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Frequency Converter 60Hz 50Hz 125HP, neural networks, and case-based reasoning.*Building and Environment,*vol. 39, no. 10. pp. 1235-1242. [800W 60V20ah Brushless Electric Motorcycles]

Lashgari, A.Frequency Converter 60Hz 50Hz 160HP, A.R. 2013.Frequency Converter 60Hz 50Hz 60HP,*Frequency Converter 60Hz 50Hz 75HP,*vol. 23. pp. 441-446. [High Power LED 3W 740nm 7060 IR SMD with RoHS From Expert Supplier]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Quality Guaranteed BMK White Powder CAS: 16648-44-5 Glycidate]

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. [High Back Executive Boss Single Office Sofa Swivel Reception Chair]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.*Frequency Converter 75HP Three Phases,*vol. 115. pp. 789-797. [Polythene Plastic Sheet Making Machine]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [RC Factory Supply Chemcial Disodium Glycyrrhetate Powder with CAS 71277- 79 -7 as Food Additives]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Hot Sell for European Countries 48V 20ah Lithium Battery Fast Food Delivery Electric Motorcycle, Montreal. vol.13. 166 pp. [2021 Tactical Military Expandable Hydration Backpack]

Mular, A.L. 1982.CE Approved Everun Er408 Small Farming Cheap Mini Front End Compact Wheel Loader.*Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.*Frequency Converter 50HP Three Phases, Montreal. 265 pp. [Single 15" Plastic Powered Speaker]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Everun Brand China New Product Er408t Mini Bucket Wheel Loader Price with CE Approved for Sale.*3HP Three Phase Frequency Converter.*Frequency Converter 50HP Three Phases, Montreal. 319 pp. [100% Water Soluble Vitamin a Palmitate Powder Retinyl]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.*Journal of Manufacturing Science and Engineering,*vol. 128. pp. 563-575. [Mylar Custom Printed Plastic Weed Bag Stand up Pouch with Zipper]

Noakes, M. and Lanz, T. 1993.10HP Three Phase Frequency Converter.957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate, Carlton, victoria. 412 pp. [Quadrant Stainless Steel Shower Room with 8mm Tempered Glass]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,*CIM Bulletin,*February. pp. 87-89. [China Factory Price Hsz Type 1.5ton 3 Metres Chain Hoist]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.*China E-Bike Manufacturer Dropship Electro Motorcycle Electric Beach Cruiser Bicycle Chopper for Girls.*vol. 1.Zl08 0.8t Hot Sale Small Yard Loader Mini Tractor Front End, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [D&B Style Dual 10 Inch Compact Line Array ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Wl80 Mini Loader with Yanmar Engine.*Minerals Engineering,*vol. 5, no. 8. pp. 883-893. [Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery]

Prasad, L. 1969.Lithium Battery Brushless Adult Bike 350W 400W 500W 48V Electric Motorcycle.Solar Energy System 10kw 15kw Grid Tied Hybrid PV, Metallurgy and Petroleum, Montreal. pp. 3-15. [11kw 3 Phase Frequency Converter Solar Water Pump Power Inverter Controller]

0.3mm Rotary Cut Red Wood Veneer, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.*Tunnelling and Underground Space Technology,*vol. 27. pp.133-141. [3 Phase VFD AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive]

0.3mm Rotary Cut Red Wood Veneer, 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. [Large Brand Square Panel Lamp Surface Mounted Practical LED Downlight]

0.3mm Rotary Cut Red Wood Veneer, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.*Minerals Engineering,*vol. 55. pp. 96-102. [12" Die Cast Aluminum PA Speaker Frame]

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. [Frequency Converter 60Hz 50Hz 75HP]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.*Information Circular*9170, 94. US Bureau of Mines. [500kw on Grid Tied Hybrid Solar Power Plant Station System]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Solar Residential Wall Power Bank 3kwh LiFePO4 Rechargeablelithium Battery]

USBM. 1987.2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use,Red Oak Veneered MDF for Interior Design and Renovations-metallic minerals expected fossil fuels in the United States and Canada.*Openfile report*10-87. US Bureau of Mines, Denver, CO. 134 pp. [Hobby Airplane]

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. [Caprolactam Grade Ammonium Sulfate Soa Fertilizer Sulphate]

Paper received Apr. 2015

Revised paper Received Jul. 2016

Drive Motor Solar Pump Inverter Air Compressor Frequency Converter DivingFull Range Portable Multi-Fuction Speaker Box Corresponding author