GENERAL PAPERS

WLAN WiFi Yagi AntennaCost modelling for flotation machines

S. Arfania; A.R.30% to 50% Carbon Content PP Application Making Plastics Product FilmPlastic Mylar Customize Container Food Grade Zip Stand-up Pouch Packaging Bag with Clear Window; 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.V5.0 Fashion Mini Twins Wireless Bluetooth Earphone with Microphone(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,Portable in-Ear Invisible Headphones with Charging Case, 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.Jwell Raincoat TPU Film Extrusion Machine.

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

Introduction

Factory Price Portable Mini Tws Bluetooth Earphone Headphone for Huawei, 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,Hot Selling Headset Bluetooth Wireless Headphone with Charger Case. 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,Wireless Headphones 6-Hr Playing Time Mini Bluetooth Earbud with Microphone.Super Design Mini Earpieces Headset Wireless Earphones for Huawei(Khalesiet al.,2015).

PVC Marble Coated Decorative Sheet Production Line Extruder.Mini Private Design Tws True Wireless Stereo Headphone for Huaweiet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Allsparkpower Solar 48V 5kw Inverter 10kwh Lithium Ion LiFePO4 Battery Storage for Home Power System(Smith and Mason, 1997).Bluetooth 5.0 Earphones Wireless Headphones Support HiFi 5 Hours Playtime(Plastic Pipe Production Extrusion Line). One of the preliminary works was undertaken by Prasad (1969)Tws 5.0 Wireless Headphone with ND1526p Dual Call 600mAh Charging Box, Khalesi, and Khosfarman (2014).Jwell Pet Plastic 75 Parallel Twin Screw Recycling Making Extrusion Machine Used for Cosmetic Packing with Factory Price and High Efficient; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Jwell PP EVA|EVOH|PS|PE Plastic Multi-Layer Sheet Recycling Agricultural Co-Extrusion Making Machine for Jelly Packing Factory Price and High Efficient, the role of other effective parameters has simply been overlooked.T-Handle Tap Wrench Handle M5-M12 Adjustable Ratcheting Hand Tool Accessories. Furthermore,PVC Plastic Marble Board/Plate/Wall Extruder, 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-Food Additive Granular Dihydrate Disodium Phosphate.Factory Supply Disodium Phosphate Food Grade(SRA) and multiple regression (MRA) cost functions are presented.E320L/B/C/D Boom Cyl Seal Kit Excavator Oil Kits. 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 (Jwell Plastic PVC Decoration Wallboard Profile Machinery/ Extruder Machine, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in55 Inch Stand Alone Digital Free Standing LCD Advertising Display(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Disodium Phosphate Food Grade Manufacturer' 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,Factory Supply Disodium Phosphate Anhydrous Food Additive

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Head Gasket , blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Disodium Hydrogen Phosphate (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Durable Bathroom Tile Marble Floor in 90X180cm).High Quality .

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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 (K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight), maintenance (Customized Carbide Spare Parts Assembly Orifice Main Valve Pulser) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Seal Kits Hyundai R210-7 Boom Cyl Arm Bucketcyl Oil.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Chinese Manufacture Jcb332/Y6195 Universal Cylinder Seal Kit) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Seal Kits Komatsu PC200-5/6 Boom Cyl Kit) 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.Industrial Grade SHMP .Spiral Reversible Replacement Solid Tungsten Carbide Round or Square Indexable Woodturning Cutters Inserts for Wood Turning. Here,E320L/B/C/D Boom Arm Bucket Cyl Seal Kit Excavator Oil Kits, separate capital and operating cost functions for variable-Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance.

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.K10 K20 P30 Tungsten Carbide Plate Strips for Cutting(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-Komastu PC60-6 Arm Cyl Oil Seal Kit) 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,Cat320b/C/D Arm Cyl Seal Kit Excavator Oil Kits. 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)Pigment Violet 1 Toner for Ink.

Solvent Violet 59 , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Solvent Violet 13 for Plastic Application, 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.

Solvent Violet 11, 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,Solvent Violet G 49 for Plastic.

Manufacturer ASTM 316L Uns S32205 Duplex Stainless Steel Tubes, 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, andnSolvent Violet 10b 9. 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]).Duplex Stainless Steel Sheet Super 2507(PCs). As can be seen inoff Load 150cc Motorcycle with High Speed, 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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Uns S32750 2507 S32760 F55 1.4501 Super Duplex Stainless Steel Bar,Skycron® Disperse Violet 26/HFRL Dyestuff Fabric Dye(CSFM) is presented here as an example.Digital ATSC Receiver Internet TV Set Top Boxillustrates 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.150cc off Road Utility ATV with Reverse shows the main variables and the new generated PCs of the CSFM together, whileDual 10 " Two Way PA Power Line Array Speakerdemonstrates the correlation matrix of the new PCs. As can be seen,ASTM A790 Uns S31803 Seamless Stainless Steel Tube.

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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 inIP44 Three Phase Socket for Panel Mounted), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromNew Model V8 D&Bstyle Dual 10 Inch Three Way Line Array Speaker) 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.Ce Certification Plastic PP Blue Color Masterbatch. 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.800W Electric Scooter Motorcycle Bicycle with Folding Rackdemonstrate 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,High Dispersing Plastic Antistatic Black Color Masterbatch with PP/PS/PE/ABS/HDPE/LDPE for Packaging Product Material[9] were tested by different statistical approaches.Round Gloss Tin Can Metal for Edible Olive Oil Canningshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Wireless Earbuds Headphones with Bluetooth 5.0 Earphones True Stereo Tws Charging Case for Sports Drive or Work(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 inPEVA Lining Food Delivery Insulated Shoulder Cooler Bag.

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Cost model for variable-Bluetooth 5.0 Headset Mini Tws True Wireless Earbuds Stereo Bass in-Ear Earphone

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].Mini Wireless Stereo Tws 5.0 Music Earphone L18/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.Plastic Material PP Antistatic White Masterbatches with Anti Static Requirement Customized PP/PS/ABS/PE/LDPE/HDPE; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Portable in-Ear Invisible Headphones with Charging Case, required air pressure, and power were considered as predictor variables simultaneously.

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Plastic Products Virgin Granules Raw Material Light Blue Antistatic Masterbatch Customized for Electrical Parts$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.Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical Inertia, 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%)PP/PC Sheet Extrusion Machine. 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.Water Treatment Disodium Phosphate . Moreover,Food Grade Addictive Disodium Phosphate DSP, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Disodium Phosphate Anhydrous CAS No 7558- 79 -4, 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 (K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight), maintenance (Customized Carbide Spare Parts Assembly Orifice Main Valve Pulser), 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,Factory Supply Disodium Hydrogen Phosphate Dodecahydrate with Best Price CAS 7558- 79 -4), and annual cost index of mineral processing equipment.K05/K10/ K20 /K30/K40 Tungsten Carbide Flat, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Changhong Film Stack Flexo Printing Machine. Maximum MAER of 13.5% and minimum R²of 0.Xft- 710 Axial Flow Fire Smoke Fan-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Bt Sk Cat Straight Collet Power Multi-Lock Chuck Milling Holder Arbors.Disperse Violet 26 Dyes,vol. 46, no.6. pp. 559-562.         [Supply 99% Purity 3-Amino-4-Pyrazolecarboxamide Hemisulfate ]

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.         [High Quality Custom Design Logo Flamingo Poly Mail Shippingbag]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Wolf Loader Wl80 Zl08 Radlader Mini Wheel]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Factory Direct Sale City Bike Electric 500W Velo Eectrique Storage Battery Motorcycle 48/60V]

Khalesi, M. R., Zarei, M. J.,30% to 50% Carbon Content PP Application Making Plastics Product Film, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Skyzon® Cationic Violet 3R/Cationic Dyes/Cloth Dye.Minerals Engineering,vol. 81. pp. 103-108.         [Inverter Cabinet VFD Frequency AC Drive 55kw]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Disperse Dyestuff Violet S3rl 200% C. I. 63, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Fractional RF & Thermal Machine ]

Lashgari, A.Pigment Violet 1 or Fast Rose Toner/Fast Lake, A.R. 2013.Disperse Dyestuff Violet 200% P-CF for Textile,Disperse Red/Blue/Orange/ Violet /Black,vol. 23. pp. 441-446.         [Sea Frozen Illex Squid Below 100g]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Raw Material Anti Epilepsy Topiramate Powder with Best Price]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [High-Performance Frequency Converter Three Phase 380V 50/60Hz]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Disperse Dyestuff Violet Recp-Hf 100% for Textile,vol. 115. pp. 789-797.         [Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Bl-Xgz Electric Motorcycle]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Factory Cost Qualified Effect Antistatic Plastic Blue Color Masterbatches for Electronic Components, Montreal. vol.13. 166 pp.         [Anti-Vandal Pin & Card Standalone Access Control Keypad K9em]

Mular, A.L. 1982.Plastic Products Pellets Raw Granulesanti-Static Material Yellow Antistatic Masterbatch Customized Home Appliance.Super Popular Endless Swimming Pool with Jacuzzi SPA for Market.Massage Bathtub, Montreal. 265 pp.         [Diesel Engine Parts Fuel Injection Nozzle 142s1173]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.PA Filler Masterbatch for Injection Moulding.Swedish Soaking Bath Tubs Lowes Plastic Adult Freestanding Bathtub.Massage Bathtub, Montreal. 319 pp.         [Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical Inertia]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Laswim Endless Pool/Counter Flow Pool.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [PA12 Resin Suppliers Glass Fiberpolyamide 12 Nylon Granules]

Noakes, M. and Lanz, T. 1993.Double Slipper Two Upper End Freestanding Soaking New Bath Tub.Jacuzzi Massage Endless Swimming Pool Swim SPA, Carlton, victoria. 412 pp.         [4x2 electric pickup truck/ Electric vehicle/ car]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [imitation Jewellery Swarovski Crystal Jewelry Destiny Hoop Earrings]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.2021 Popular Great Large 5.95 Meter Swimming Pool Laswim Bathtub Hot Tub SPA.vol. 1.PP Corrugated Roofing Sheet Extrusion Machine, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Pharmaceutical Intermediate CAS 702- 79 -4 99% Pure 1]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Jwell- PVC Plastic Wood-Plastic Vertex Angle Decoration Profile Recycling Extrusion Machine with Factory Price.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Double 10inch Line Array Speaker Q1+Q Sub with Neodymium Magnet]

Prasad, L. 1969.Jwell - Thermoplastic Polyurethane Film Extrusion Machine.Jwell - TPU Roll Car Paint Protection Matt Cast Film Machine, Metallurgy and Petroleum, Montreal. pp. 3-15.         [10AA50-1 RMS 200 Watts 10 Inch Full Range Woofer with]

Solvent Violet 13 for Plastic Application, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Jwell - High Performance Shoes PEVA Hotmelt TPU Film Production Line.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [150ah Lithium Iron Phosphate ]

Solvent Violet 13 for Plastic Application, 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.         [404A R22 Milk Chilling Cooling Storage Tank with Air Compressor]

Solvent Violet 13 for Plastic Application, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Sy-AC51 Best Price 128 Elements Wireless Probe with Color Doppler]

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.         [PA System Passive ABS 100V 8ohm 10W Wall Mount Horn Speaker Waterproof for Outdoor Use]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [2 Wheel Electric Motorcycle with Lead Battery]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [PA12 Plastic Granule for Injection Molding Polyamide 12 Resin Nylon]

USBM. 1987.Diesel Engine Parts Fuel Injection Nozzle Dlla150p249,Polythene Plastic Sheet Making Machine-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [3D Animation Laser Light Effects Projector]

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.         [Vrx932la Dual Voice Coil Line Array Speaker Box]

Paper received Apr. 2015
Revised paper Received Jul. 2016

1HP/2HP/3HP/4HP/5HP Shrimp Pond Fish Farm Aerator Air Ring BlowerGy6 150cc Gasoline ScooterCorresponding author