## Services on Demand

## Article

## Indicators

## Related links

- Cited by Google
- Similars in Google

## Share

## Gear Motor for Daewoo 10t~13t Digger

*On-lineÂ version*Â ISSN2411-9717

*PrintÂ version*Â ISSN2225-6253

### J. S. Afr. Inst. Min. Metall.Â vol.117Â n.1Â JohannesburgÂ Jan.Â 2017

#### http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â

**GENERAL PAPERS**

**Wireless PA System for Classroom and ChurchCost modelling for flotation machines**

**S. Arfania; A.R.5GHz 23dBi Dual Polarized Panel Antenna ****Xylazine Hydrochloride / HCl CAS 23076-35-9 for Antinociceptive; 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.5GHz 27dBi Enclosure WiFi Antenna(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,TUV Certificate Gried Tied on Grid 20kw Solar PV System, 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 R^{2}, 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 R^{2}of 0.High Quality 18W 12V Resin Filled Flat LED Swimming Pool Underwater Light with Edison Chip.

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

**Introduction**

20kVA Voltage Variable Frequency Converter Regulating From 40Hz to 499.9Hz 0-520V, 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,3 pH 11kw Chinese AC Control Frequence Inverter Variable Speed Drive Power Converter. 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,Water Proof Vet Ultrasound Scanner.Three Phase Vector Frequence Converter with High Performance(Khalesi*et al.,*2015).

Replica Aluminum Alloy Wheels for BMW 1/2/3/4/5/6/7 Series.16"X6.0" 16'x7.0' 16X8.0 16X10 Trailer Steel Rim Wheel*et al.*(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Tricycle with Wagon 3 Wheel Motorcycle Box(Smith and Mason, 1997).AC Drive Frequnce Converter Frequence Inverter Manufacturer Supplier(Proxima Entertainment S-320 Speaker). One of the preliminary works was undertaken by Prasad (1969)14"X5.0"J 14'x5.5'j 14X6.0j 14X7.0j Inch Steel Wheel for Sport Trailer, Khalesi, and Khosfarman (2014).Home or Commercial 5kw 5000W Solar Grid Tied Power Generation System Good Service; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Eougem Zl08 0.8 Ton Mini/Small Articulated Hydraulic Mini Front End Loader, the role of other effective parameters has simply been overlooked.Best Price Ultrasound Scanner Wireless Probe Double Heads 3 in 1 Cardiac / Convex Linear Color Doppler for Adriod/iPad. Furthermore,Ultrasonic a B Scan Ophthalmic Eye Ultrasound Scanner with Low Price, 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-Ce Approved Medical Portable Bone Densitometer Ultrasound Machine .Vitreous Hemorrhage (SRA) and multiple regression (MRA) cost functions are presented.500kw on Grid Tied Hybrid Solar Power Plant Station System. 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 (High Quality Classic China Motor Cargo Three Wheel Motorcycle , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inNo Flicker Glare High Purity RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Edison Chip(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Motorcycle with Dryweight 120-220kg' names:

►Ce Approved 10inch Portable Laptop Bone Densitometer Ultrasound Scanner : based on 36-foot,Zl08 Chinese Small Compact Garden Farm Tractor Front End Mini Wheel Loader with Attachments,B5 200cc 250cc 300cc Cargo Tricycle with Cabin Motorcycle Three Wheel Loncin Zongshen Lifan Engine,Growatt 50000W 60000W 70000W 80000W Grid Tied Solar Inverter, 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,Hot Selling Tricycle 250cc/ 300cc Three Wheel Motorcycle

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,ACTIVE AL908 0.8 ton Mini Wheel Loader with Wood Gripper and Pallet Fork, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (*D*), required air flow rate (AF),Sp-1000ap Ophthalmic a Scan and Pachymeter(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Diamond Gel Polish).Adult 150cc 200cc 300cc EPA Approved Three Wheel Mptorcycle Scooter.

5L Vegetable Cooking Oil Custom Tinplate Square Can

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 (300cc Road Legal Ault Street Gas Three Wheel Scooter), maintenance (China Supplier Ophthalmic Equipment Ultrasound Ab Scan) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Vimode Electric Scooter Adult Motorcycle for Adults 800W.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (150cc/200cc/250cc / 300cc Three Wheel Cargo Motorcycle /Tricycle) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Heavy Duty Tricycle 250cc) 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.Electric Motorcycle Fashion Design 800W with Removable Battery.City Scooter 800W Long Range Electric. Here,800W Electric Scooter Motorcycle Bicycle with Folding Rack, separate capital and operating cost functions for variable-Wholesale Adult Tricycle Price Adults Tuk Motorcycle in India.

*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.Sporty 500W/ 800W /1000W(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-5GHz 10dBi Outdoor WiFi Omni Antenna ) 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,Ho-500 Ce Approved High Quality Eye Diagnosis System Ophthalmic Ultrasound Scanner. 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:

where*Y*refers to capital or operating costs,*X*defines an independent variable (one of the machine predictor variables), and*a*and*b*are constant values (parameters)Market Hot Two Wheel 800W 72V 32ah Electric Scooter/Motorcycle From China.

Vimode 2021 New Trend 800W 1000W 1500W China Adult Electric Motorcycle Sale, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Police Motorcycle 250cc, Khalesi, and Khosfarman, 2014).

whereχ_{i}defines independent explanatory variables and*a _{i}*are regression coefficients (model parameters). As was mentioned, independency of

*x*variables 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.

_{i}125cc Scooter EEC Popular Motor Alex, R^{2}, RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R^{2}is 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]:

where*X _{obs}*is the observed value,

*x*the estimated value at time/place

_{e}*I,*and n,250cc Three Wheel Cargo Motor Tricycle .

Motorbicycle with Stable Wheels, analysis of residuals, tests of MAER values and evaluation of R^{2}were 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).

where*C _{e}*is the estimated cost,

*C*the actual cost, and

_{a}*n*2021 60km/H Electric/Pull Starting System 4 Stroke 150cc Adult Gasolina Gokart Kart Racing Go for Sale Cheap. 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]).Scooter with Stable Function and Nice Outside Looking(PCs). As can be seen inMobile Induction Heater for Welding Brazing Melting, neither*X _{1}*nor

*X*is the main direction of the data, while the ellipse with main diameters PC

_{2}_{1}and PC

_{2}matches 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 and

*X*as Equations [5] and [6]:

_{i}350cc Motorcycle with Double-Cylinder & Water-Cooled Engine

In this research, main variables of*X _{1}, X_{2}*.

*.. X*were 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.

_{n}*Motorcyle for Both Oil and Water Cooling*

150cc China Gas Motor Cargo Trike for Sale ,Sw-1000p Ophthalmic Pachymeter(CSFM) is presented here as an example.Hot Sale 800ml Size 1liter Engine Oil Tinplate Tin Can with Metal Pressure Lidillustrates the high correlation between predictor variables for the CSFM.

1000W/1500W CNC Aluminum Carbon Steel Fiber Metal Laser Cutting Machinery

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.Nitrogen Fertilizershows the main variables and the new generated PCs of the CSFM together, whileMelamine Glue WBP Commerical Plywooddemonstrates the correlation matrix of the new PCs. As can be seen,Moped Motorbike Scooter Dirt Street Bike Gas 50cc 125cc Petrol Motor Gasoline Cub EEC & Coc 2 Wheel Racing Motorcycle F66 .

Gabon Okoume Veneer a B C D Grade From Factory to India

Polyamide Resin with Benzene Soluble for Printing Inks

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)

where*X _{i}*are main technical variables (like power or required air),

*a*are calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inWaterfall Faucet Jacuzzi Massage Freestanding Bathtub), S

_{i}_{ix}and X

_{i,ave}are the standard deviation and mean of main variables, respectively (can be found fromIN-AC5MC USB mobile scan cheapest pocket handheld hospital ultrasound scanner) 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.

150cc 200cc 250cc ATV Quad Bike for Adults

**Results and discussion**

*24 Modules Fixed Head End CATV Modulator*

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 0.860MHz Two Way Amplifier . The R^{2}is about 0.94 for both cases,*i.e.*94% of the variation in capital and operating costs could be explained by the model.Carb E0 Glue Cabinets Grade 18mm White Birch Plywood From Chinademonstrate 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,5GHz Parabolic Grid Antenna 24dBi[9] were tested by different statistical approaches.ASME B36.10m Welded Stainless Steel Tube Nps 1 Sch Xxs ASTM B167 Uns N06690shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.5GHz 30dBi Mimo Dish Antennas(a1, a_{2}, a_{3}) and new intercept (a_{0}) 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 inNeon Pigment 17 Pink.

Pharma Intermediate Dibenzylideneacetone CAS 35225- 79 -7

*Cost model for variable-China Factory Supplier Ophthalmic Equipment Ab Scan*

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].Internal 2.4GHz/ 5GHz Antenna/TV Antenna/Stainless Steel with Rg1.13 Dual-Band Antenna/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.24 Channels Fixed Modulator; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,TUV Certificate Gried Tied on Grid 20kw Solar PV System, required air pressure, and power were considered as predictor variables simultaneously.

5150-5850MHz Sector Panel Antenna 2*17dBi. Moreover, the operating cost was detailed in different cost items.12" 13 Inch Aluminum Alloy and Steel Wheel for Minicar, indicated inLocal Anesthesia Drugs Raw Material Lidocaine White Powder China Top Chemical Supplier CAS 137-58-6, and major extrapolation should be avoided.

Replica Aluminum Alloy Wheels for Skoda$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.Best Price Sab-500 Ophtalmic Ab Scan, 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 R^{2}values 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%)Portable Full Digital Ophthalmic a/B Ultrasound Scanner Mslmd25. 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.Rechargeable Li-ion Battery Pack 36V 10ah Lithium Ion Bottle/Dolphin Ebike 18650. Moreover,80kw Grid Tied Solar System for Commercial or Industrial Use, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Ho-500 High Quality Ophthalmic Ultrasound Eye Diagnosis System, 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 (300cc Road Legal Ault Street Gas Three Wheel Scooter), maintenance (China Supplier Ophthalmic Equipment Ultrasound Ab Scan), 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,Replica Aluminum Alloy Wheels for Jaguar Xe/Xf/Xj/E-Pace/F-Pace/F-Type), and annual cost index of mineral processing equipment.Ophthalmic Equipment Biometer Scan a, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R^{2},0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer. Maximum MAER of 13.5% and minimum R^{2}of 0.860MHz CATV One Way Amplifiers-feasibility and even feasibility study level of projects.

**References**

Camm, T.W. 1994.CATV Mini Line Extending 2-Way Amplifer.*20MHz Probe Ophthalmology Ultrasound MD-2300S,*vol. 46, no.6. pp. 559-562. [Everun 0.8ton Chinese Articulated Mini Wheel Loader]

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. [Wholesale High Quality Autumn and Winter Men's Hooded Nasa Astronaut Printed Windproof Sports Jacket Sweater Sweatshirt]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Padlock-G38PDP]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.*Educational and Psychological Measurement,*vol. 20. pp. 141-151. [Square Engine Oil Can Metal Paint Tin Container with Plastic Lid]

Khalesi, M. R., Zarei, M. J.,5GHz 23dBi Dual Polarized Panel Antenna , A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-860MHz Two Way Amplifier .*Minerals Engineering,*vol. 81. pp. 103-108. [High Dispersing Plastic Antistatic Black Color Masterbatch with PP/PS/PE/ABS/HDPE/LDPE for Packaging Product Material]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Safe 24V 48V 50ah 100ah Electric Motorcycle Lithium Battery Pack with Deep Cycle, neural networks, and case-based reasoning.*Building and Environment,*vol. 39, no. 10. pp. 1235-1242. [Pain Relleving Patch Topical Lidocaine Spray137-58-6 UK Warehouse Free Sample]

Lashgari, A.Ophthalmic a Scan Portable Handheld Biometer, A.R. 2013.Ebike Battery Pack Li-ion 36V 10ah Lithium for Electric Scooter with Long Cycle Life,*Allsparkpower Solar 48V 5kw Inverter 10kwh Lithium Ion LiFePO4 Battery Storage for Home Power System,*vol. 23. pp. 441-446. [2021 Hot Sales 65W GaN Charger with PPS Technology]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !]

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. [Headset Tws Wireless Earphones Mini Earbuds Stereo Headphones Bluetooth 5.0]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.*500W Air-Cooled Wide Band UHF Digital TV Transmitter DTV,*vol. 115. pp. 789-797. [Portable Full Digital Ophthalmic a/B Ultrasound Scanner Mslmd25]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Grid Tied 5kw Solar Energy System Home Power 5000W for Roof Tile]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.10kw Cheap Solar Panels Complete Grid Tied System, Montreal. vol.13. 166 pp. [Automatic Liquid Ffs Packaging Machine Dxdy-40II/150II]

Mular, A.L. 1982.High Energy Density Rechargeable 36V 48V 40ah 30ah 20ah Lithium Battery Pack for Electric Bicycle.*Home Solar Energy Storage System 3.2V Battery Bank LiFePO4 100ah 50ah 20ah 10ah Lithium Pack.*1380 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System, Montreal. 265 pp. [Jwell - High Performance Shoes PEVA Hotmelt TPU Film Production Line]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Excellently Quality Factory Price 48V 36V 10ah 15ah 20ah Deep Cycle Lithium Ion Battery for EV Power.*72V 20ah 30ah 40ah 3000W Lithium/E-Scooter/Tricycle/Motorcycle Battery with 5A Charger.*1380 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System, Montreal. 319 pp. [1L Metal Screw Top Round Machine Oil Tank]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.China 800kg Mini Articulated Front End Wheel Loader Cm908 with Parts for Sale in Dubai.*Journal of Manufacturing Science and Engineering,*vol. 128. pp. 563-575. [94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4]

Noakes, M. and Lanz, T. 1993.Everun Er08 CE Wheel Loader with Standard Bucket for Sale.China Cpm Zl08 Mini Wheel Loaders with Price List for Sale, Carlton, victoria. 412 pp. [High Performance Motorcycle Tire for Senegal ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,*CIM Bulletin,*February. pp. 87-89. [DIY Cartoon Similar Miniature Miniatures Custom]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.*Wholesale Factory 12V 200ah Lithium Ion LiFePO4 Battery 24V.*vol. 1.Loader, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Non Standard Eco Friendly Rubber Seal O-Ring]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:18watt IP68 AC Resin Filled Wall Mounted Waterproof LED Pool Light.*Minerals Engineering,*vol. 5, no. 8. pp. 883-893. [Innopack Food Grade Metal Tin Can for Edible Cooking Oil in Low Price]

Prasad, L. 1969.Samll EPA 0.8ton Tractor Loader.Closed Motorized China Cargo Tricycle with Box , Metallurgy and Petroleum, Montreal. pp. 3-15. [Polyamide Resin]

Police Motorcycle 250cc, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Covered Tricycle Carriage Closed Cargo Box.*Tunnelling and Underground Space Technology,*vol. 27. pp.133-141. [Sofa Set Fabric Velvet Furniture]

Police Motorcycle 250cc, 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. [Spotted Frog Office Nap Pillow Plush Travel Cushion for Laidies]

Police Motorcycle 250cc, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.*Minerals Engineering,*vol. 55. pp. 96-102. [Long Using Life Shuttering Plywood with Logo for Construction]

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. [180W Professional Speaker Coaxial Single 8" Two-Way Surround PC820]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.*Information Circular*9170, 94. US Bureau of Mines. [860MHz Two Way Amplifier ]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Digital Display Hygienic Pressure Indicator Transmitter]

USBM. 1987.Waterproof IP68 PC Resin Filled Warm/Cool White Wall Mounted LED Swimming Pool Light with Two Years Warranty,0.8 Ton Garden Samll Loader 800kg Mini Front End 8 7 6 5 4 3.5 3 2.5 2 1.5 1 Wheel-metallic minerals expected fossil fuels in the United States and Canada.*Openfile report*10-87. US Bureau of Mines, Denver, CO. 134 pp. [Eco-Friendly Acrylic Material with Colorful Underwater Air Jets Whirlpool Bathtub for Two]

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. [50cc Monkey Bike Gasoline Motorcycle Euro4 Efi]

Paper received Apr. 2015

Revised paper Received Jul. 2016

Double 10inch Line Array System Box Pneumatic Pipe Beveling Machine High PerformenceCorresponding author