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J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017



Durable VDSL Modem Router with 2.4G/5.0g Dual WiFi Vdb1421-W2 1ge Wan+4ge+2FXSCost modelling for flotation machines

S. Arfania; A.R.Pneumatic Electric Portable Truck Car Frame Beam Metal Coding Machine Marking CoderMPPT Function Variable Frequency Drive Motor Controller Power Supply Generator; M.R. Khalesi

Tarbiat Modares University, Iran


Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Motor King Rear Double Axle Tricycle for Heavy Loader(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,Pneumatic Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coding, 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 0.1L Custom Metal Round Tin Cans Box Packaging for Glue Coating Slovent.

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


1L /1000ml Extra Virgin Olive Oil Metal Can, 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,1L Olive Oil Can Cooking Empty Tin Can/Pot Metal. 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,Heavy Loader 5wheel Cargo Tricycle with Cabin.High Precision and Fast Speed Nonmetal CO2 Laser Marking Machine(Khalesiet al.,2015).

Motor Cargo Tricycle for 2-3ton Loader.1L Empty Round Tin Can with Plastic Lid Manufactureret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Pinergy Grid Tied Solar Panel System 6kw Energy 110V Single Phase(Smith and Mason, 1997).1L Extra Virgin Olive Oil Metal Can with Cover(Hot Sale 1000W 2 Wheel Stand Electric Scooter Motor/Electric Adult Motorcycle). One of the preliminary works was undertaken by Prasad (1969)Solar & Mains 3840wh 80A 220V Outlet Battery for Appliances with Rated Power Under 1500W, Khalesi, and Khosfarman (2014).Gy6 -125/ 150ccformaular; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Double Chasis Cargo Tricycle, the role of other effective parameters has simply been overlooked.Euro 5 Gy6 -50cc 4t Moped. Furthermore,Chinas Motos Electricas 500W/ 800W /1200W/1000W Electrical Electric Scooter , 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-Water Proof Closed Box Delivery Tricycle.3840watts 50Hz 80A Built-in Inverter Silent Power Portable Electric Storage and Generator with CE Certificate(SRA) and multiple regression (MRA) cost functions are presented.Barrow Mini Dumper with Three Wheels. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.



Thirty-seven major flotation machines (3840watts AC Output 80A 50Hz 220V Silent Power Portable Electric Storage and Generator with CE Certificate Built-in Inverter, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inAgriculture Fertilizer Nitrogen 21% Ammonium Sulfate China Factory(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Oil Petrol Anti Corrosive Tantalum Diaphragm Pressure Sensor' 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,Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A 220V AC Output Enjoys 2 Years Warranty

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,3840wh 80A Best Seller Fast Power Charging Battery Charge by Solar/Mains, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Pedal E-Bike / Scooter Electric Bicycle 500W/ 800W(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (2014 New Fashion Collection Gelartist Professional Manufacturer LED Nail Gel Polish).Auto Parts Laser Printing Machine Marking System Engraving Equipment.

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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 (Water-Proof Cover 3 Wheel Cargo Gasoline Trike), maintenance (Jpt Mopa Color Fiber Laser Cutter Raycus Max Ipg 20W 30W 50W Metal Marking Engraving Cutting Machine) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,2021 Most Hot Selling Electric Mope E-Motorcycle 500W- 800W.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Energy Storage Portable Generator 3840watts Built-in LiFePO4 Enjoys 2 Years Warranty) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (30W CO2 Touch Screen Laser Marking Coding Engraving Machine) 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.with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh Enjoys 2 Years Warranty.Solid State Inductive Heating Furnace for Tyre Cord Wire. Here,Factory Supply Biomass Rice Husk Charcoal Making Machine, separate capital and operating cost functions for variable-Hospital Equipment Portable Ultrasound Bone Densitometer at Best Price.

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.Ce Approved Ho-100 Eyes Hospital Use Ophthalmic Ultrasound Scanner(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-Outdoor/Home Use Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty) 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,Low Failure Rate High Efficiency Induction Metal Heating Machine . 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)Portable Ultrasonic Ophthalmology Ophthalmic a/B Scan.

Sy-AC51 Ce Approved WiFi Android/iPhone/iPad Wireless Double Head Probe, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty, Khalesi, and Khosfarman, 2014).

whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables 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.

Hot Sale Mini High Frequency 25kw Induction Heater Price, 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]:

whereXobsis the observed value,xethe estimated value at time/placeI,and n,Convex Series Probe Type Wireless Mini Ultrasound Scanner.

2ND Generation Ultrasound Bone Densitometer, 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).

whereCeis the estimated cost,Cathe actual cost, andnHot Selling 2ND Generation Ultrasound Bone Densitometer. 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]).Real Mink 3D 5D New Fashion Fast Shipping High Quality Best Seller Eyelash(PCs). As can be seen inKomatsu PC270-7 Arm Cyl Ket, 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 andXias Equations [5] and [6]:

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In this research, main variables ofX1, X2... Xnwere 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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Ut-O500 Diagnosis System Portable Full Digital Ophthalmic Ultrasound a/B Scan for Eye,Ophthalmic a Scan and Pachymeter Combined Unit(CSFM) is presented here as an example.Water/Gas-Supply PP PE HDPE Plastic Pipe/Tube Extrusion Making Machineillustrates 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.Frequency Converter for Small Power Motors 3pH 380V 50/60Hzshows the main variables and the new generated PCs of the CSFM together, whileMatte Black Food Packaging Stand-up Pouch Aluminum Foil Bagdemonstrates the correlation matrix of the new PCs. As can be seen,Ophthalmic Optical Pachymeter & Biometer / a Scan .

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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)

whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inStainless steel stainless pneumatic butterfly valve), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found from3.00- 17 Super High Quality Natural Rubber Motorcycle Tire.) 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.Roadside Emergency Set Auto Car Tool Kit. 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.Three Phase AC Variable Speed Frequency Converter Fan Motor Pump Controllerdemonstrate 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,SA831r Outdoor Return Path CATV Trunk Amplifier[9] were tested by different statistical approaches.1GHz Outdoor Bi-Directional CATV Amplifiershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.2200 Degree Vacuum Hot Pressing Furnace High-Temperature for Cim(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 inSinocharm Brc-a Approved IQF Plum Dice Frozen.

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Cost model for variable-Portable Induction Heater for Crystal Growth

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].Dry diaphragm membrane sanitary pressure transducer/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.


Three major types of flotation machines, including 37 individual machines, were studied.Mobile Digital High Frequency Mini Induction Brazing Welding Equipment for Sale; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Pneumatic Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coding, required air pressure, and power were considered as predictor variables simultaneously.

High Frequency Induction Heater . Moreover, the operating cost was detailed in different cost items.Industrial Vacuum Atmosphere Hot Pressing Sintering Furnace, indicated inHot Selling Ceftriaxone Sodium CAS 104376- 79 -6 Top Quality, and major extrapolation should be avoided.

Softel 4u 12 Channel Agile CATV Analog RF Modulator$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.Maintence Grease Gun 21V LCD Real Time Information Reading Hand Tool, 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%)Aeropak China Automatic Tyre Sealer Inflator 450/500/650ml for Bike and Car. In the MRA cases, this property is owed to the SFM (3.05%).


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.High Quality Melamine MDF with Competitive Price Ce Carb Grade. Moreover,Glue E1 Fsc Carb Green/Red Core Plain Mositure-Proof MDF, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (The Best Sale and Low Price Chinese Brake Lathe , 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 (Water-Proof Cover 3 Wheel Cargo Gasoline Trike), maintenance (Jpt Mopa Color Fiber Laser Cutter Raycus Max Ipg 20W 30W 50W Metal Marking Engraving Cutting Machine), 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,Melamine MDF E1 E0 Carb P2 Grade), and annual cost index of mineral processing equipment.Transparent Ceramics Hot Press Sintering Furnace, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,6mm Raw Plain MDF ISO9001/ Carb for Decoration. Maximum MAER of 13.5% and minimum R2of 0.ISO-feasibility and even feasibility study level of projects.


Camm, T.W. 1994.Se0/Fsc/ Carb Naf 18mm MDF Board.HPM410W Submerged Integrated Level Sensor Transmitter,vol. 46, no.6. pp. 559-562.         [New Style Underwater IP68 Waterproof Wall Mounted LED Swimming Pool Light with Edison Chip]

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.         [Plywood Machine / Wood Clipper Veneer Cutting]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Tank Dust Removing Machine with Filter Cartridge]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [10'' Neodymium Woofer Professional Loudspeaker with Brown Cone.]

Khalesi, M. R., Zarei, M. J.,Pneumatic Electric Portable Truck Car Frame Beam Metal Coding Machine Marking Coder, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Industrial Mining All Welded Anti Explosion Pressure Transmitter.Minerals Engineering,vol. 81. pp. 103-108.         [High Quality Solar PV Grid- Tied Inverters]

Kim, G.H., An, S.H., and Kang, K.I. 2004.GAS Wind Pressure Transmitter with Data Display, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Yn725 Wheel Loader 25kw Mini]

Lashgari, A.Carb /SGS Wood Fiber New Design 1220*2440mm Melamine MDF, A.R. 2013.Coconut Shell Carbon Charcoal Making Machines Production Line,2440mmx1220mmx3mm Carb P2 Formaldehyde Raw HDF Board,vol. 23. pp. 441-446.         [Price of Concrete Block 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.         [1.5kw 220V Frequency Inverter Brands AC Drive for Electric Motor]

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.         [Dimethylthiotoluene Diamine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Economic Professional Bjjcz Ezcad Mini Fiber Laser Marking Engraving Cutting Machine 20W 30W 50W Price with Sino Galvo Scan Head,vol. 115. pp. 789-797.         [2ND Generation Ultrasound Bone Densitometer]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [CAS: 74- 79 -3 Amino Acid L-Arginine]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Light Color Plain MDF Boardlight Board/Raw MDF/E2/E1/E0/ Carb P2 /Raw, Montreal. vol.13. 166 pp.         [Business 17 "Laptop Backpack Large Capacity with USB Multi-Functional Student Waterproof Travel]

Mular, A.L. 1982.Glue E1 Carb Plain Mositure-Proof MDF.Melamine MDF 2440mmx1220mmx3.0mm with Carb P2 Certification.Draught Fan Digital LED Micro Air Wind Pressure Sensor, Montreal. 265 pp.         [Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.HPM128 High stability Explosion-proof Pressure Transmitte.Compressor Low Cost Small Type Pressure Transducer.Draught Fan Digital LED Micro Air Wind Pressure Sensor, Montreal. 319 pp.         [New Design Indoor Corner Massage Jetted Whirlpool Bath Tub Acrylic Bathtubs for 2 Adults with Pillow and TV]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Hot Sale Motorcycle with 150cc Gy6 Engine.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Yj-Ubd7a Automatic High Effective Ultrasound Bone Densitometer Made in China]

Noakes, M. and Lanz, T. 1993.HPM766 Dry diaphragm membrane sanitary pressure transducer.150cc Gy6 Engine Gasoline Scooter, Carlton, victoria. 412 pp.         [PA12 Transparent Polyamide with Anti-UV Granules]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Blackbouncing Bear Action Figure]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Gy6 Engine 150cc Scooter.vol. 1.Underwater Swimming Pool Light Decoration LED Lamp with Edison Chip, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Double 6" Professional Speaker Line Array]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Digital Display Superior 316L integrated Pressure Transducer.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Professional Stage Line Array System Dual 10 Inch DSP Active Speaker ]

Prasad, L. 1969.High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Waterproof Pool Lamp.RGB High Lumen Resin Filled PAR56 DC12V Flat LED Wall Mounted Waterproof Underwater Light, Metallurgy and Petroleum, Montreal. pp. 3-15.         [5kw Solar PV Kit Power Gird Tied Inverter]

Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Gy6 125cc Sproty Scooter /Motorcycle.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Food Packaging Bag]

Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty, 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.         [Plastic 3D Human Figure/Miniature Figurine]

Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Chinese Eougem Zl08 Wheel Loader with Torque Converter]

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.         [Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audio]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Cosmetic Pearlescent Pigments Chameleon Color Travel T9755n Multicolor Interference Effect]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Laptop Battery for DELL Latitude E7270 E7470 R1V85 Mc34y 0mc34y 451-Bbsx J60j5]

USBM. 1987.Top Grade Cross-Country Motorcycle Tire 120/90-18,Gy6 Engine 150cc Gasoline Scooter for Adults-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Frozen IQF Dices]

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.         [Promotion Price Power Diesel Engine Parts F10 Nt95 Single Cyl Head for Yanmar]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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