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Bulk Fashion Smart Electric Scooter 60V800W20ahCost modelling for flotation machines

S. Arfania; A.R.Professional Manufacturer Everun Er08 CE Approved Mini Cpmpact Front End 4 Wheel Bucket Loader20MHz Skin Rejuvenation Vacuum RF Lifting Machine; 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.500W EEC Electric scooter(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,Electric Motorcycle , 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 R², 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 R²of 0.Solar Electric Motorcycle.

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

Introduction

Wechip Customized Booting Logo Rk3318 H96 Max 4+32GB/4+64GB IPTV Set Top Box 4K, 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,OEM 1500W EEC Electric Scooter . 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,New Arrival 4K Smart S905X2 TV Box 4+64GB X96 Mini.0.25mm Natural Wood Face Veneer(Khalesiet al.,2015).

2L Empty Tin Container for Engine Oil Lubricant.High-Performance Three Phase Frequency Converter 380V 50/60Hzet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Column Speaker of Empty Alu. Cabinet (Smith and Mason, 1997).Electric Motorcycle (Mars Solar 350W 360W Panel Complete Power System 30kw Grid Tied Inverter with WiFi for Commercial Use). One of the preliminary works was undertaken by Prasad (1969)EEC Electric Scooter , Khalesi, and Khosfarman (2014).800w /1100w EEC Electric Scooter ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Factory Produce Natural Face Veneer Size 1220X1830X0.25mm, the role of other effective parameters has simply been overlooked.Electric Motorcycle/Scooter/Bike . Furthermore,800W EEC Electric Motorcycle, 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-No Foldable 40-60km Range Per Charge EEC Electric Scooter.1 Wheel Electric Motorcycle/One Scooter(SRA) and multiple regression (MRA) cost functions are presented.High-Performance Frequency Converter/AC Drive 380V 50/60Hz. 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 (Three Phase 380V Small Frequency Converter, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inSuper Duplex Stainless Steel Bar by Zeron100 (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Hot Sale High Performance Vector Frequency Converter 380V 45/55kw' 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,1.2mm White Poplar Veneer From Factory for Exporting

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Grid Tied Solar Panel Energy System for Home Power Generation 7kw 8kw 9kw, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Eucalyptus Core or Birch for Veneer with Grade AA(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Double Walled Vacuum Insulated Cups Stainless Steel Bottle with Straw Wholesale).Wholesale 1.5 mm Natural Bamboo Skateboard Veneer with Best Price.

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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 (Popular 800W Power Electric Scooter), maintenance (1250X2500mm Rotary Cut Okoume Veneer Cheap Prices) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Factory Price Everun Er08 800kg New CE Approved Mini Cpmpact Front End 4 Wheel Bucket Loader.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (2862 Easy Installation 5kw 6kw 8kw 10kw 12kw on Grid Solar System) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Eougem CE 1.0 Ton Hydraulic Mini Radlader Zl08) 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.Wolf 0.8t 800kg Mini Loader with Euro 3 Engine.500- 800W 48V 20ah OEM manufacturers Electric Scooter. Here,800W Brushless Adult Electric Scooter, separate capital and operating cost functions for variable-2021 New Type Fashionable Chinese Supplier Brushless Max Speed 35km/H 2 Wheel Electric Motorcycle.

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.Best Chinese Big Wheel Electric Motorcycle Racing Bike Adult Bicycle(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-Bd600 AC Frequency Inverter/Converter/220 V to 380 Inverter) 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,1L Beer Can. 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:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)High Quality Electric Scooter Factory.

Cute Electric Scooter Motorcycle with Pedals 60V800W14ah Lithium Battery for Adults, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (1L Panit Can, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables 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.

1L and 5L Can for Antifreezing Liquid, R², RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R²is 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]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,2021 Fashionable High Quality with Lithium Battery Electric Scooters EEC Vespa Citycoco Newest Model Motorcycle.

Pump Inverter Variable Frequency Drive Manufacturers AC Supplier, analysis of residuals, tests of MAER values and evaluation of R²were 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).

whereC_eis the estimated cost,C_athe actual cost, andnCheap Smart Electric Scooter for Lady 60V800W20ah with Customer Foot Pedal. 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]).Wenge Veneer Catedral Chapa De Madera Reconstituted Engineered PARA MDF Enchapados(PCs). As can be seen inAC to Drive 380V Frequency Inverter 4kw, neitherX₁norX₂is the main direction of the data, while the ellipse with main diameters PC₁and PC₂matches 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 andX_ias Equations [5] and [6]:

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In this research, main variables ofX₁, X₂... X_nwere 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.

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Frequency Inverter Solar Pump Vector Air Compressor Power Transformer,Supply China Control Frequency Converter VFD Power Transformer Motor Drive(CSFM) is presented here as an example.1220*2440*18mm Birch Plywood with Carb P2 Standard Qualityillustrates the high correlation between predictor variables for the CSFM.

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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.Diesel Engine Parts Fuel Injection Nozzle 132s1320shows the main variables and the new generated PCs of the CSFM together, whileCyclopropyl Acetylene/ Lide Pharma- Factory Supply / Best Price CAS 6746-94-7demonstrates the correlation matrix of the new PCs. As can be seen,MPPT Function Variable Frequency Drive Motor Controller Power Supply Generator.

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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)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inMuslim New Evening Dress Short Sleeve Chiffon Beach Prom Party Gown Vestidos Gowns Long), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from17 Inch 18 Aftermarket New Design Aluminum Car Alloy Rim) 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 0.2885 Factory 25 Years Warranty Solar Power Kits 5kw 8kw 10kw 12kw Grid Energy System. The R²is 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 Hot Sale PC Epoxy Resin Filled 12V AC 18W RGB Wall Mounted LED Swimming Pool Light with Edison Chipsdemonstrate 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,2876 10kw Home Used Solar Power System on Grid Roof[9] were tested by different statistical approaches.Hair and Eyelash Growth Acetyl Tetrapeptide-3/Capixyl CAS 155149- 79 -4shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.2879 Free Shipping 10kw 12kw 15kw Home Used Solar Power System on Grid Roof(a1, a₂, a₃) and new intercept (a₀) 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 inFish Seafood Storage Walk in Frozen Freezer Room.

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Cost model for variable-AAA Grade 0.9mm Poplar Core/Veneer for Plywood/Furniture

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].Radiate Pine Face Veneer/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.Grade AA Veneer Furniture Building Material Plywood to Dubai; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Electric Motorcycle , required air pressure, and power were considered as predictor variables simultaneously.

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Small Wheel Loader Wl80 800kg Loaders for Farm Work$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 0.1L Tin Can for Camellia Oil , 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 R²values 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%)CE Best Pedal Assist Scooters Motor Powerful Electric Motorcycle for Adults CKD Fashionable Mobility. 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.Mxq 4K PRO Allwinner H3 Quad 7.1 1GB RAM 8GB ROM H. 265 3D Android Media TV Box. Moreover,2021 Best Sale Fashionable Cheaper High Quality 1000W Adults 2 Wheel Electric Motorcycle, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Set Top Box T95q S905X2 4G 32g Android 9.0 HD TV Kodi Quad Core, 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 (Popular 800W Power Electric Scooter), maintenance (1250X2500mm Rotary Cut Okoume Veneer Cheap Prices), 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,Hot Popular Fast Shipping H. 265 Standars Czech Republic Channels Internet TV Box), and annual cost index of mineral processing equipment.Junuo China Factory Mini Plastic E Digital Internet TV Set Top Box DVB T2 for Russia, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,5 Litre Extra Olive Oil Tin Can . Maximum MAER of 13.5% and minimum R²of 0.DC/AC Frequency Inverter Solar Pump Power 400-600V Input 2.2kw-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Frequency Converterlow Industrial Power Inverter.2370 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use,vol. 46, no.6. pp. 559-562.         [Mini 220V Single Phase Input 2.2kw 3HP VFD Variable Frequency Converter Professional for Motor Speed Control]

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.         [Mesh Top Sheet Sanitary Napkin with Adl Wholesale]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Good Quality Powder CAS 56377- 79 -8 Nosiheptide with Best Price]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Yn725g Yineng Mini Wheel Loader]

Khalesi, M. R., Zarei, M. J.,Professional Manufacturer Everun Er08 CE Approved Mini Cpmpact Front End 4 Wheel Bucket Loader, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-China Electric Moped Motorcycle Sale for Adults Mobility E Scooter with Battery.Minerals Engineering,vol. 81. pp. 103-108.         [Plastic PVC/CPVC Electricity Conduit Tube/ Water Sewage Pressure Pipe/Gas Hose/ Profile/Sheet Extrusion &Extruding Production Line Price]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Three Phase 380V/ 0.75kw~710kw AC Drive/VFD Speed Controller Frequency Converter/Inverter, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Diesel Central Drive Three Wheel Dumper for Sale]

Lashgari, A.DC/AC Frequency Inverter Solar Pump Power 400-600V Input 4kw, A.R. 2013.Low Price B/C/D/E Grade Wood/Natural Birch Veneer,Hot Sale 1000W 2 Wheel Stand Electric Scooter Motor/Electric Adult Motorcycle,vol. 23. pp. 441-446.         [Stainless Steel Chain Hoists]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [PA Woofer Speaker T- 10 12 15]

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.         [3 Phase 50 - 60Hz Intelligent Power Saver]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Solar Pump Inverter Price Quality AC Drive Frequency Converter,vol. 115. pp. 789-797.         [Cheap Power Motor Big Protect Frame Electric Scooter Motorcycle 60V800W]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [DJ Stage PRO Audio Indoor Club 15" Line Array Loudspeaker]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Good Quality Pine Wood Core Block Board with Okume Film, Montreal. vol.13. 166 pp.         [925 Sterling Silver Bangle Charm Full Diamond Arrow Opening Trendy Fashion Jewelry]

Mular, A.L. 1982.Hot Good Bulk Quality 60V800W20ah Electric Motor Scooter for Ladies.Al-Gw6 Fast Electric Motorcycle Speed 60km/H Kits.Titan Chargeuses Cheap Small Log China Mini Digger Loader with European Quick Hitch, Montreal. 265 pp.         [Best Quality BMK Glycidate Raw Materials Fororganic Intermediates Bulk Price]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Chinese Factory Direct Supply Lithium Battery Electric Scooter LCD Display Motorcycle E-Scooter.Cheap Chinese Moped Scooter with Lithium Battery Rechargeable Electric Motos Motorcycle.Titan Chargeuses Cheap Small Log China Mini Digger Loader with European Quick Hitch, Montreal. 319 pp.         [800W 72V China Electric Tricycle for Handicapped]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.2021 Wuxi Best Selling New Type Racing Mobility Adults 2 Wheels Electric Motorcycles E Motos CKD Scooters.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Heat Sealing Embossed Plastic Vacuum Packaging Bag for Delicatessen]

Noakes, M. and Lanz, T. 1993.Grid Tied Solar Energy System 5kw 10kw 20kw 50kw 100kw 200kw 300kw 500kw.2021 Hot Selling Two Wheel Cheap Powerful Electric Moped Motorcycles with Pedals Chinese Supply CKD Scooter, Carlton, victoria. 412 pp.         [4-Chloro-4'-Methylbenzophenone High Quality Products CAS 5395- 79 -9]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [3015c 1000W CNC Fiber Laser Cutter Germany Ipg]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Titan OEM New Type Qingzhou Loadefr Factory RC Avant Mini Wheel Loaders with Ce.vol. 1.Zl08 0.8 Ton Garden Tractor Pay Loader 800kg Mini, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Deltamethrin 98% Tc Insecticide 2.5 Sc Wholesale 2021]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Titan Mini Loader 800kg New Front End Radloader with Spare Parts Best Shipping Agent Service.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Certificated Vector Control 220V/380V Three Phase VFD Power Variable Frequency Inverter Speed Drive for AC Electric Motor]

Prasad, L. 1969.Wolf Shovel Loader E5 for Agriculture Work.Fast Delivery 2 Wheel Lithium Battery Electric Bike Lady Bicycle Motorcycle in Stock, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Factory Nitrogen Fertilizer Ammonium Sulphate 20.5%N Steel Grade for Agriculture]

1L Panit Can, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Wolf Wl80 Mini Dumper Loader with Bucket.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Dual 10 " Outdoor Wooden PA System Bluetooth Trolley Smart Speaker]

1L Panit Can, 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.         [Home Textiles Classic American Style Upholstery Sofa Covering Fabric]

1L Panit Can, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [for HP Laptop Mc06 11.1V 4400mAh 49wh Li-on Battery Envy M7-N000]

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.         [Single 15 Inch PA Full Sound Systems Professional PRO Speaker]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Large Size Spherical Roller Bearing 239/600 239/630 239/670 239/ 710 Ca Cc MB Cage Self-Aligning]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Zl08 0.8t Articulated Front End Wheel Loader with Pallet Fork]

USBM. 1987.Everun Er408 800kg Construction Equipment Compact Mini Wheel Loader with Bucket,Agricultural Machine Small Wheel Loader Mini780 with CE Certificate-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [PF1010 PF -1210 PF1214 Construction Small Basalt Gravel Impact Crusher]

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.         [Professional 10 Inches Rcf Aluminum PA Speaker Frame]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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