GENERAL PAPERS

2000kg Mini Cheap Price Nylon Wheel Hand Hydraulic Pallet TruckCost modelling for flotation machines

S. Arfania; A.R.Frequency Converter 50HP Three PhasesProfessional Audio Speaker System Single 10 Inch Portable Mini Line Array Vr10; 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.Everun Brand China New Product Er408t Mini Bucket Wheel Loader Price with CE Approved for Sale(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,3HP Three Phase Frequency Converter, 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.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.

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

Introduction

10HP Three Phase Frequency Converter, sizing, concentration, extractive metallurgical processes, and dewatering. Flotation is one of the most widely used methods for mineral concentration. Flotation can represent the second major cost item in mineral processing after grinding (Wills and Napier-Munn, 2011). Accordingly,957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate. 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,China E-Bike Manufacturer Dropship Electro Motorcycle Electric Beach Cruiser Bicycle Chopper for Girls.Zl08 0.8t Hot Sale Small Yard Loader Mini Tractor Front End(Khalesiet al.,2015).

Wl80 Mini Loader with Yanmar Engine.Lithium Battery Brushless Adult Bike 350W 400W 500W 48V Electric Motorcycleet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Underwater Light(Smith and Mason, 1997).Solar Energy System 10kw 15kw Grid Tied Hybrid PV(1.5kw 220V Frequency Converter Single Phase 380 3). One of the preliminary works was undertaken by Prasad (1969)Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, Khalesi, and Khosfarman (2014).2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Red Oak Veneered MDF for Interior Design and Renovations, the role of other effective parameters has simply been overlooked.Zl08 0.8ton China Articulated Tractor Front End Wheel Loader Yard. Furthermore,Good Quality Factory Directly Cheap Elderly Motorized Motorcycle Electric 1000W Tricycle Bangladesh Motor, 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-Everun Brand Mini Front End Loader 0.8 Ton Wheel.Zl08 800kg China Small Garden Tractor with Front Loader Yard(SRA) and multiple regression (MRA) cost functions are presented.Hot Sale 48V 20ah Powerful Chinese Chopper Electric Motorcycle 350W for Adults. 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 (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inFactory Wholesale H10 H6 Alfawise GPU Mali T720 Android 4GB RAM 32GB ROM in Set Top Boxx99 Boxbox Box TV(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Bulk Fashion Smart Electric Scooter 60V800W20ah' names:

►962 Complete Solar System 40kw on Grid Home with High Quality: based on 36-foot,off Grid 20kw Solar System 20 Kw Panel Kit,Cheap Safety Scooter 2 Wheel Bicycle E Trike Cargo Tricycle Electric Motorcycle for Adult,Rosen 1kw Grid Tied on Solar System to Global Market, and level control

►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,475 Alicosolar Good Quality 15kw on Grid Solar System 15000W Kit Mono Soalr Panel with CE/TUV/ISO for House Use

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,959 33kw on Grid Solar Home System with Power Inverter, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),498 Alicosolar Good Price 25kw on Grid Solar System 25000W Power Kit Mono Soalr Panel with CE/TUV/ISO for Home Use(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Promotional Best Quality Click and Lock Vinyl Tile Spc Flooring).Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery.

Excellent Quality Hydraulic Arm Cyl Seal for E307D Excavator

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 (955 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate), maintenance (0.18mm Zebra Wooden Veneer) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Europe Popular 5kw Grid Tied Home Solar Energy System with Ce.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (High Grade Block Board for Furniture Produce) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (954 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate) 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.952 Alicosolar 30kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate.32oz Metallic Glue Tin Can_1liter with Screw Cap and Brush. Here,High Quality B/C/D/E Grade Wood/Natural Engineered Teak Poplar Birch Veneer, separate capital and operating cost functions for variable-Dah Solar 100kw System Price on Grid Tied Inverter for Commercial Use.

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.China Factory Pricing Empty Round Food Grade Nut Tin Cans(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-High Performance 6kw Grid Tied Home Solar Energy System) 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,Oil Treatment Packaging Tin Container 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)Rosen 8kw Grid Tied on Solar System to Global Market.

Factory-Slicer Natural American Red Oak Veneer in 0.50mm, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery, 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.

Custom Waterproof and Oil Sealing Round Metal Tin Can, 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,CE Er08 Mini Wheel Loader with One-Year Warranty for Sale.

Innopack Tin Can with Brush Round Oil Cans, 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, andnAlcohol/ Refrigerating Fulid Screw Top Can with Brush Wholesale. 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]).2021 New Removable Battery 350W Motor Scooter Electric Motorcycle for Adult(PCs). As can be seen inHigh Speed Kawasaki Ninja Motorcycle 250cc, 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]:

Automatic Shrink Wrapping Machine 0-20package/Min

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.

3 Liter Tin Packing Chemical Can with Spout

Food Grade Round Tin Can for Welded Milk Powder Packaging,1gallon Round Metallic Tin Can with Metal Handle for Paint(CSFM) is presented here as an example.Duplex Stainless Steel Sheet Super 2507illustrates the high correlation between predictor variables for the CSFM.

Custom Thailand National Emblem

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.Cheap Price Door Furniture Faced Artificial Ebony Veneer Recomposed Engineered Woodshows the main variables and the new generated PCs of the CSFM together, whileMc4y Solar System Waterproof Connectordemonstrates the correlation matrix of the new PCs. As can be seen,Top Sale Chinese CE Certification New Adult Racing Electric Motorcycle 350W.

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

Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier

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 inEnvironment Friendly Wooden Furniture Meeting Desk with Steady Table Feet), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from5 Litre Extra Olive Oil Tin Can ) 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.

3kwh Solar Energy Storage System

Results and discussion

Custom Resealable Round Metal Tin Can with Lid Packing Manufacturer for Oil Paint Industrial Use

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 0.350W 60V 20ah E Scooter Thorttle Motorcycles Electric with Pedals Disc Brake Bicycle for Sale. 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.Cinnamaldehyde CAS 104-55-2 Cinnamic Aldehyde Factory Supplydemonstrate 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,Fluid Storage Containers Lubricants for Use[9] were tested by different statistical approaches.High Quality Argipressine CAS 113- 79 -1 with Best Priceshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.0.8t 800kg Small Loader(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 inStainless Steel Pharmaceutical Sanitary Tank Lower Diaphragm Membrane Valve.

Eougem CE 1.0 Ton Hydraulic Mini Radlader Zl08

1L Four-Color Cmyk Printing Lubricant Oil Packaging Tin Can for Car

Cost model for variable-Factory Direct High Quality Glue Round Tin Cans with Brush

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].350-1500W 48-72V Smart Cheap Motorcycle for Adults Heavy Duty Electric/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.Cute Street Electric Scooter with LED Light 60V800W20ah; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,3HP Three Phase Frequency Converter, required air pressure, and power were considered as predictor variables simultaneously.

Lady's Smart Electric Scooter Motorcycle 60V800W20ah. Moreover, the operating cost was detailed in different cost items.Reconstituted Composite Woven Veneer Braided, indicated inwith Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty, and major extrapolation should be avoided.

Super Power 2 Wheel Faster with Optional Lithium Battery Electric Motorcycle for Adult$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.Roof Mounting 20kw Grid Tied Solar Power System Home, 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%)Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin. 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.Wolf 0.8t Mini Loader with Grass Fork. Moreover,Everun Brand 0.8ton Compact Wheel Loader with 4in1 Bucket, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Zl08f Wheel Loader with Rops Cab, 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 (955 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate), maintenance (0.18mm Zebra Wooden Veneer), 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,2HP 1 Phase Frequency Converter), and annual cost index of mineral processing equipment.7.5HP Three Phase Frequency Converter, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,3HP 1 Phase Frequency Converter. Maximum MAER of 13.5% and minimum R²of 0.3HP 1 Phase Frequency Converter-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.10HP Three Phase Frequency Converter.3HP Frequency Converter Vector Three Phase,vol. 46, no.6. pp. 559-562.         [3 Phase AC Drive for Water Pump and Fan]

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.         [DHL Express From China to Hungary and Other Countries]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [20MHz RF Wrinkle Removal]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Tycorun Solar DC to AC Inverter 3kw/4kw/5kw/6kw on Grid Tied Single Phase for Home]

Khalesi, M. R., Zarei, M. J.,Frequency Converter 50HP Three Phases, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-15HP Three Phase Frequency Converter.Minerals Engineering,vol. 81. pp. 103-108.         [Wolf Mini Loader Wl80 with Grass Cutter]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Power Smart Electric Scooter with LED Light 60V800W20ah, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [800ml Square Metal Containers]

Lashgari, A.3HP Three Phase Frequency Converter, A.R. 2013.1HP Frequency Converter Vector Three Phase,15HP Frequency Converter Vector Three Phase,vol. 23. pp. 441-446.         [ABS 110mm Front Grille Logo Nissan Z Decals Badge]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Auto Feeding Inner Mounted Pipe Tube Beveling Engine]

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.         [Door to Shipping Guaranteed New BMK Powder CAS: 5413-05-8 UK Warehouse]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.2HP Frequency Converter Vector Single Phase,vol. 115. pp. 789-797.         [Electric Motorcycle ]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [High Quality Underwater Swimming Pool Light Decoration LED Lamp]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Solar Energy System 5kw Panel Home Grid Tied Power 6kw 8kw 10kw, Montreal. vol.13. 166 pp.         [Bluesmart 6W -12W 1500-1800lm Bridgelux Factory Direct Solar Garden Light]

Mular, A.L. 1982.Home Use 6kw Grid Tied Solar Power System with High Performance.Hot Sale 10kw 10000W off Grid Solar Power System Home Use.4kw 3phase Frequency Converter 50Hz to 60Hz, Montreal. 265 pp.         [Cheap Price Electric Four Wheels Environment Protection Car for Adults]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.1.5kw 3phase Frequency Converter 50Hz to 60Hz.Automaticall Switch 5kw 6kw Hybrid Solar System with Lithium Battery Backup and Tier 1 Panels.4kw 3phase Frequency Converter 50Hz to 60Hz, Montreal. 319 pp.         [Steel Copper Aluminum Iron DOT Peen Marking Machine with Rotary]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Round Tin Can for Food Packaging Empty Tinplate.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Diesel Engine Parts Fuel Injection Nozzle 160sn827]

Noakes, M. and Lanz, T. 1993.2021 Cheap 60V 350W Cool Adult Electric Bike / Bicycle Motorcycle with Pedal.Pencil Cedar Veneer Medium Denstiy Fiberboards for Stairs, Carlton, victoria. 412 pp.         [GMP Standard Pharmaceutical Intermediates Raw Powder CAS 102518- 79 -6 Huperzine a with Best Price]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Champagne Party Prom Dresses Lace Bridal Evening Gown Ld150]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Technical Wood Veneer MDF Boards for Cupboard.vol. 1.High Quality Small Metal Tin Can with Open Top Lid for Lubricant, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Oxygen Barrier Transparent Vacuum Plastic Bag]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Long Using Life Shuttering Plywood with Logo for Construction.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Single 5"Two-Way Full-Range Loudspeaker Small Scale Indoor with Tx5c]

Prasad, L. 1969.Huihuang Bamboo Fence Timbers.Solar Power System Home 5kw off Grid Tied Solution, Metallurgy and Petroleum, Montreal. pp. 3-15.         [High Power Speaker Dual 10 " PRO/Professional Audio Line Array ]

Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-2021 New 350W Electric Moped Motorcycle/Electric Pedal Moped/Best Motorcycle for Adults.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [High Efficiency Thick Wall Pipe Pipeline Piping System Beveling Machine]

Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery, 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.         [Car Emblem with Mazda Aluminum Sticker]

Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [New Pattern Design 17.5-25 20.5-25 26.5-25 off Road Tyre]

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.         [Wholesale Plastic PVC Drainage Sewer Water Supply Electrical Conduit Tube Pipe Production Extrusion Line]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Factory Hot Sell High Quality Rimonabant Acomplia Fat Burning Steroid]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [PRO Audio Speaker Dual 10 " Line Array]

USBM. 1987.Power Mini Electric Scooter for Lady 60V800W,Dah Complete on Grid Solar System Easy Install 30kw 50kw Tied Power-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Fashion Men Waterproof Double Shoulder Leisure Business Travel Laptop Computer Notebook MacBook Air PRO Backpack Pack Bag]

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.         [Acrylic Film Quadrant Frosted Glass Shower Cubicle with Low Tray ]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Chinese Factory for Vitamin a Palmitate 0.25miu PowderBulk Quality Cheap Smart Elecetric Scooter 60V800W for LadyCorresponding author