GENERAL PAPERS

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S. Arfania; A.R.Diesel Engine Parts Fuel Injection Nozzle 160sn827Manufacturer Supply Poly L-Lactic Acid with Lowest Price Raw Material Bulk 79 -33-4 for Food Additives; 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.Disodium Hydrogen Phosphate Dihydrate Food Grade(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,Scarlet/ Violet / Purple/ Golden/Green Pigment Paste, 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.Scarlet/ Violet / Purple/ Golden/Green Pigment Paste.

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

Introduction

Diesel Engine Parts Fuel Injection Nozzle 142s1173, 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,Ammonium Polyphosphate . 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,Scarlet/ Violet / Purple/ Golden/Green Color Paste.High Efficiency Thick Wall Pipe Pipeline Piping System Beveling Machine(Khalesiet al.,2015).

Industry Grade Ammonium Polyphosphate.Light Duty Hand Held Boiler Pipe Tube Cutter Bevelleret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Wholesale Matelized Bottom Gusset Stand up Barrier Exit Zipper Food Packaging Mylar Bag Custom Printing Colorful Aluminum Foil Laminated Plastic Container(Smith and Mason, 1997).Scarlet/ Violet / Purple/ Golden/Green Pigment Paste(30watt New RGB Cool White Warm LED Underwater Swimming Pool Light). One of the preliminary works was undertaken by Prasad (1969)Factory Direct Air Compressor Filter 1931685 P951919 Af4247 C301730 P812363, Khalesi, and Khosfarman (2014).Embossed PC Solid Sheet Extruder Machine Making Extrusion Line; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Anti-Scratch PC Polycarbonate Impact Solid Sheet Extrusion Machine, the role of other effective parameters has simply been overlooked.Scarlet/ Violet / Purple/ Golden/Green Pigment Paste. Furthermore,Diesel Engine Parts Fuel Injection Nozzle 132s1320, 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-Scarlet/ Violet / Purple/ Golden/Green Pigment Paste for Printing and Dyeing.Electrical Pipe Tube Cold Working Processing Machine(SRA) and multiple regression (MRA) cost functions are presented.T-Type Electric Beveling Machine . 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 (3293 Fast Rose Lake B Pigment , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inFactory Wholesale Water Cooled Four Strike Diesel Engine Cylinder for Generator(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;O2 Oxygen Sensor for Honda Accord 2.3L 4 Cyl F23A4 2000-2002 234-9014' 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,Plastic Sheet Machine PC Polycarbonate Solid

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,PMMA GPPS Sheet/Board Plastic Extruder Machine/Making Machine, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),PC/PMMA/GPPS Optical Plate/Board Extrusion Making Machine/Extruder(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (8FT Spindle CNC Log Sliced Machine for Hot Sale).Jwell High Quality Pet Sheet Extrusion Machine for Protective Mask.

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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 (Disodium Phosphate Anhydrous), maintenance (PC/Polycarbonate/GPPS/PMMA Sheet Extruder Machine/Plastic) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Uns S31254 En 1.4547 F44 Price Per Kg Super Austenitic Stainless Steel Round Bar Rod.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Super Duplex Stainless Steel Bar by Zeron100 ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (S32750 Uns Super Duplex Stainless Steel Bar) 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.Against Wall Australian Freestanding Acrylic Bathtubs.2507 Uns S32750 Duplex Stainless Steel Sheet / Plate. Here,Endless Pool, separate capital and operating cost functions for variable-New Design Indoor Corner Massage Jetted Whirlpool Bath Tub Acrylic Bathtubs for 2 Adults with Pillow and TV.

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.Outdoor Jet Surf Massage Bubble SPA Swimming Pool Hot Tub Combo(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-Plastic Products Colorful Pellets Resin Raw Material Light Green Color Antistatic Masterbatch Customized) 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,Endless Swimming Pool. 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)Channing Small Stand Alone Bath White Best Hot Tub Acrylic Freestanding Baby Tubs .

Whole Sale Home Antique Style Large Acrylic Freestanding Bathtub, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Milling Machine Tool F1 Type Boring Head with Shank Adapter for, 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.

Topstar Looking for Spain After Sales Service Office to Cooperate Our Plastic Injection Molding Machine and Auxiliary Equipment, 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,Factory Price Fully Automatic Dustbin Injection Molding Machine.

Jwell TPU Matt Cast Film Machine, 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, andnFDA Certification Recycled PE Carbon Black Color Masterbatch Supplier. 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]).Topstar Looking for Regional Agency or Partner to Act Our Plastic Injection Molding Equipment(PCs). As can be seen inE3/L3 Pattern Bias Loader Radical Pneumatic Solid Grader OTR Tyre , 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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35% Blowing Film Grade Carbon Black Masterbatch Manufacture,Uns S31703/AISI 317L Stainless Steel Sheet/Plate/Coil/Pipe/Flange/Fittings/Bolt & Nuts(CSFM) is presented here as an example.Jwell-PLA Sheet Recycling Plastic Cup Food Packing Making Extrusion 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.Dsola Factory Customized High Efficient Solar Cable Connector Mc4shows the main variables and the new generated PCs of the CSFM together, whileHot Sale Birch Wood Veneer Core for Plywooddemonstrates the correlation matrix of the new PCs. As can be seen,2021 New Design Plastic Injection Molding Machine Made in China.

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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 inHot Sell Cheap Price High Absorption Breathable Baby Diaper Film), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from1gallon Round Metallic Tin Can with Metal Handle for Paint) 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.PLA Masterbatch Manufacturers for 3D Printing Filament. 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.L-Arginine Powder Amino Acid Pure Manufacturerdemonstrate 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,PLA Color Masterbatch for 3D Printing[9] were tested by different statistical approaches.10 Inch Powered PA Speaker Full Range Stereo Systemshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.30% to 50% Carbon Content PP Application Making Plastics Product Film(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 inCustom Fashion Print Short-Sleeved Ladies T-Shirt.

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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].Portable in-Ear Invisible Headphones with Charging Case/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.Jwell Raincoat TPU Film Extrusion Machine; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Scarlet/ Violet / Purple/ Golden/Green Pigment Paste, required air pressure, and power were considered as predictor variables simultaneously.

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Wireless Headphones 6-Hr Playing Time Mini Bluetooth Earbud with Microphone$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.Super Design Mini Earpieces Headset Wireless Earphones for Huawei, 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%)PVC Marble Coated Decorative Sheet Production Line Extruder. 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.Mini Private Design Tws True Wireless Stereo Headphone for Huawei. Moreover,Bluetooth 5.0 Earphones Wireless Headphones Support HiFi 5 Hours Playtime, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Tws 5.0 Wireless Headphone with ND1526p Dual Call 600mAh Charging Box, 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 (Disodium Phosphate Anhydrous), maintenance (PC/Polycarbonate/GPPS/PMMA Sheet Extruder Machine/Plastic), 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,Jwell Pet Plastic 75 Parallel Twin Screw Recycling Making Extrusion Machine Used for Cosmetic Packing with Factory Price and High Efficient), and annual cost index of mineral processing equipment.Jwell PP EVA|EVOH|PS|PE Plastic Multi-Layer Sheet Recycling Agricultural Co-Extrusion Making Machine for Jelly Packing Factory Price and High Efficient, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,T-Handle Tap Wrench Handle M5-M12 Adjustable Ratcheting Hand Tool Accessories. Maximum MAER of 13.5% and minimum R²of 0.PVC Plastic Marble Board/Plate/Wall Extruder-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Food Additive Granular Dihydrate Disodium Phosphate.Factory Supply Disodium Phosphate Food Grade,vol. 46, no.6. pp. 559-562.         [Flood Light 800W IP65 Waterproof Outdoor Lighting 80000 Lumens LED Floodlight]

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.         [Cee Yellow 32A Straight Type Panel Mounted Socket]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Solis 10kw Grid Tied Inverter Solis-10K-4G-LV Three Phases]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Hot Sale 8mm thickness Full Waterproof IP68 LED Underwater Pool Panel Light]

Khalesi, M. R., Zarei, M. J.,Diesel Engine Parts Fuel Injection Nozzle 160sn827, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-E320L/B/C/D Boom Cyl Seal Kit Excavator Oil Kits.Minerals Engineering,vol. 81. pp. 103-108.         [Samsung 55inch 3X3 Digital Signage Display Screen 3.5mm Narrow Bezel]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Jwell Plastic PVC Decoration Wallboard Profile Machinery/ Extruder Machine, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [New Design Converter 220V 380V DC AC Inverter Motor Pump VFD Power High Quality]

Lashgari, A.Disodium Phosphate Food Grade Manufacturer, A.R. 2013.99% Tech Grade Disodium Phosphaten Used as Water-Softening Agent,Sodium Phosphate Monobasic Msp Industrial Grade CAS 7758-80-7,vol. 23. pp. 441-446.         [Qt4-15 Fuly Automatic Hydraulic Concrete Cement Hollow Paving Brick Block Making Machine Manufacturer Price]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [4.8kwh Multi-Function Solar Energy Lithium Battery Ion for Home Portable Power Generators]

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.         [2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Ammonium Polyphosphate APP-II CAS No. 68333- 79 -9,vol. 115. pp. 789-797.         [Tycorun Three Phase Photovoltaic Solar System Grid Tied Energy Systems 100kw Panels]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Wolf Loader Wl80 Radlader Without Cabin]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.High Quality Disodium Phosphate Sell by Factory, Montreal. vol.13. 166 pp.         [Blue Aventurine Backlit Stone Slab for Counter Top]

Mular, A.L. 1982.Factory Supply Disodium Phosphate Anhydrous Food Additive.Head Gasket .Disodium Hydrogen Phosphate , Montreal. 265 pp.         [WLAN WiFi Yagi Antenna]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.High Quality .K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight.Disodium Hydrogen Phosphate , Montreal. 319 pp.         [Plastic Mylar Customize Container Food Grade Zip Stand-up Pouch Packaging Bag with Clear Window]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Customized Carbide Spare Parts Assembly Orifice Main Valve Pulser.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Plastic Pipe Production Extrusion Line]

Noakes, M. and Lanz, T. 1993.Seal Kits Hyundai R210-7 Boom Cyl Arm Bucketcyl Oil.Chinese Manufacture Jcb332/Y6195 Universal Cylinder Seal Kit, Carlton, victoria. 412 pp.         [55 Inch Stand Alone Digital Free Standing LCD Advertising Display]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [3 Inch Down-The-Hole Hammer and Bit]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Seal Kits Komatsu PC200-5/6 Boom Cyl Kit.vol. 1.Industrial Grade SHMP , Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Empty Plastic Bottle 500ml / 1L /1000ml HDPE Trigger Pump Spray Bottles]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Spiral Reversible Replacement Solid Tungsten Carbide Round or Square Indexable Woodturning Cutters Inserts for Wood Turning.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [off Load 150cc Motorcycle with High Speed]

Prasad, L. 1969.E320L/B/C/D Boom Arm Bucket Cyl Seal Kit Excavator Oil Kits.Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance, Metallurgy and Petroleum, Montreal. pp. 3-15.         [AC Board China Vector Control 60Hz to 50Hz VFD Drive Price]

Milling Machine Tool F1 Type Boring Head with Shank Adapter for, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-K10 K20 P30 Tungsten Carbide Plate Strips for Cutting.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Digital ATSC Receiver Internet TV Set Top Box]

Milling Machine Tool F1 Type Boring Head with Shank Adapter for, 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.         [Baby Pull-UPS Soft Full WaistBand Diaper Dry Surface Breathable with Abondant Sticker]

Milling Machine Tool F1 Type Boring Head with Shank Adapter for, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [150cc off Road Utility ATV with Reverse ]

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.         [Dual 10 " Two Way PA Power Line Array Speaker]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Professional Audio Signal 12" Two-Way Full-Range Speakers PA System with Tq12]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Diase Professional Speaker Vt-4887 Three Way Dual 8inch Line Array]

USBM. 1987.Komastu PC60-6 Arm Cyl Oil Seal Kit,Cat320b/C/D Arm Cyl Seal Kit Excavator Oil Kits-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Professional LED Stage Lighting]

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.         [New Model V8 D&Bstyle Dual 10 Inch Three Way Line Array Speaker]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Column Speaker of Empty Alu. Cabinet 800W Electric Scooter Motorcycle Bicycle with Folding RackCorresponding author