## Services on Demand

## Article

## Indicators

## Related links

- Cited by Google
- Similars in Google

## Share

## Classic Vintage Alloy Silver Custom Logo Badge Brooch

*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**

**Small Wheel Loader Zl08 CECost modelling for flotation machines**

**S. Arfania; A.R.2021 New Design Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Two Years Warranty****Q1 Professional Line Array Loudspeaker Double 10 Inch Two-Way PRO Audio; 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.New Electric Beatiful on Road 800W Scooter E-Motorcycle(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,5GHz 15dBi Dual Polarization Enclosure WiFi Antenna, 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.Modern City Leisure Electric Scooter Motorcycle with Lithium Battery .

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

**Introduction**

White Truck Wheel 17.5X6.00 Steel Rims, 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,7.5kw MPPT with High Efficiency Solar Water Pump Controller. 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,Carb P2 AA/Bb Grade Birch/Okoume/Bintangor/Poplar Plywood.AC Variable Frequency Drive Single Phase(Khalesi*et al.,*2015).

17.5X6.75 Heavy Duty Truck Trailer Steel Wheel Rim.Triple Phase Variable Frequency Inverter AC Drive*et al.*(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Big Subwoofer Line Array Speaker (Smith and Mason, 1997).White Steel Wheel for Truck 17.5X6.00(800W High Speed Electric Scooter/Bike). One of the preliminary works was undertaken by Prasad (1969)Carb Grade 18mm Commercial Plywood, Khalesi, and Khosfarman (2014).Highlighted LED Electric Motorcycle with 60V 800W Power System; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,AC 3 Phase 380V Compact Vectorial Inverter Frequency 220V, the role of other effective parameters has simply been overlooked.High Speed Full Size Adult 800W Z1000 Electric Motorcycle. Furthermore,AC Drives Frequency Inverter for Dyeing Machine, 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-1220*2440*18mm Birch Plywood with Carb P2 Standard Quality.Solar Pump Frequency Inverter MPPT Fuction 15kw Made in China(SRA) and multiple regression (MRA) cost functions are presented.China Wholesales Wheel Loader HR912 with Pallet Forks. 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 (AC Frequency Speed Controller 7.5kw VFD Drives, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inHeavy Duty Truck Tire 17.5-25 20.5-25 23.5-25(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Carb P2 Bleached White Poplar Plywood for Furniture' names:

►Professional Mini Wheel Loader for Sale with Low Price: based on 36-foot,New Model Chinese Small Loader Front End Wheel for Sale,Mimo Antenna 13dBi CPE,1220X2440X9mm Carb P2 Glue Bleached Poplar Plywood for Furniture, 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,5GHz 25dBi Dual Pol Enclosure Antenna

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Bleached Poplar/Birch Carb Plywood, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (*D*), required air flow rate (AF),Weifang Cp Cloud Pillar Brand Ce Approved Zl08 Multi-Function Mini Wheel Loader with Cheap Price(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Fiber Laser Metal Pipe / Tube Cutting Machine with High Quality).Newest Kids Pedal Electric Drift Crazy Kart Go.

High Temperature Vacuum Retort Pouch for Food Packaging

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 (Zl08 Mini Small Garden Farm Tractors Compact Front End Wheel Loader), maintenance (IN-A7 handheld color doppler linear probe hip bone ultrasound scanner) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,New Generation Engine Er08 Wheel Loader with CE/Bucket for Sale.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (7.5MHz/10.0MHz Msk/Vascular Use Wireless Ultrasound Equipment) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Yn725 Yineng Mini Wheel Loader 18.5kw Cabin) 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.Whole Sale Hammerhead 150cc Go Kart with Parts.Earthmoving Equipments Mini Wheelloader Wl80 Loader Radlader. Here,10MHz Linear Vascular/Anesthesia Portable Wireless Ultrasound Scanner, separate capital and operating cost functions for variable-Advanced 7.5MHz/10MHz Superficial Organ Use Wireless Linear Ultrasound Probe.

*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.WiFi Probe Type 2 in 1 Double Head Wireless Mini Color Doppler Ultrasound(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-Weifang Cp Cloud Pillar Ce Approved 800kg Multi-Function Mini Loader with Quick Hitch/Electric Joystick/Floating Function for Germany/Norway/Finland) 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,Aj-Bmd500 New Generation Ultrasound Bone Densitometer. 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)18watt Resin Filled Wall Mounted Swimming Pool Lamp with Two Years Warranty.

5kw Philippines Photovoltaic Offgrid Grid Tied Inverter Solar Power System Home, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Solar Power System 8kw Grid Tied Solution, 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}CE China manufacturers mini wheel loader for sale at cheap price, 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,Wolf Agricultural Machinery Construction Small Front End Wheel Loader with Euro5 and Tier4 Engine.

China Portable Medical Ophthalmic a/B Ultrasound Scanner Pachymeter with B Probe for Eyes, 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*6000W 200V-240V AC Single Phase on Gird/ Grid- Tied Solar Power Energy System. 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]).Ce Approved 10 Inch Automatic High Effective Ultrasound Bone Densitometer (PCs). As can be seen in100% Passing Customs Local Anesthetic Drugs Procaine for Pain Release, 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}Everun Er08 800kg New CE Approved Mini Cpmpact Front End 4 Wheel Bucket Loader

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}*5GHz 10dBi Wideband Omni WLAN Antenna*

Jy125t-36c 125cc Scooter with Cdi and Efi,5GHz 18dBi Dual Polarized Panel Antenna (CSFM) is presented here as an example.PA Column Speaker Empty Alu. Cabinet 4.5" illustrates the high correlation between predictor variables for the CSFM.

60si2mn cold rolled spring steel coil/plate

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.Shurong Made Insecticide Deltamethrin 2.5% Ec CAS No. 52918-63-5shows the main variables and the new generated PCs of the CSFM together, whileLanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antennademonstrates the correlation matrix of the new PCs. As can be seen,2021 New Arrival China Supplying Internet TV Set Top Box Smart 4K HD 4GB Android 9 Amlogic S922X.

6000W Inverter Grid Tied Home Solar Energy System Without Battery

Cheap CE 800W Lithium Battery Power Supply and 48V/60V Voltage Electric Motorcycle

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 inFly Ash Block Making Machine /Automatic Moving Machine/Concrete High Yield), S

_{i}_{ix}and X

_{i,ave}are the standard deviation and mean of main variables, respectively (can be found fromHair Loss Treatment Acetyl Tetrapeptide-3/Capixyl CAS 827306-88-7 Purity Min 99% Powder) 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.

CAS: 79 -44-7; Dimethylcarbamoyl Chloride;

**Results and discussion**

*5GHz 23dBi Enclosure WLAN Antenna*

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 0.16" Inch Steel Wheel for Toyota Prado Land Cruiser. 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.20.5% Nitrogen Steel Grade Ammonium Sulphate in Agriculturedemonstrate 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,off Road 200cc Motorcycle for Hot Sale[9] were tested by different statistical approaches.2852 Alicosolar Solar Energy System 10kw 5kw Power Home 15kw Grid Tiedshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.off Load 150cc Motorcycle with High Speed(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 inChina Big Size 1325 CO2 Laser Engraving Cutting Machine.

Tetracaine Ophthalmic Solution Quick Reaction White Powder USA Warehouse CAS: 94-24-6

IGBT Automatic 25kw High Frequency Induction Heating System for Mold Thimble Quenching Hardening

*Cost model for variable-China 125cc Moto Efi Euro 4 2t 4t Stroke Motorcycle Motor 49cc 50cc 150cc Moped EPA EEC Gas Scooter*

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].China Al-Gw6 800W Electric Motorbike with 60V/20ah Battery/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.Linux TV Box International Internet Smart IPTV Zgemma I55; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,5GHz 15dBi Dual Polarization Enclosure WiFi Antenna, required air pressure, and power were considered as predictor variables simultaneously.

Replica Aluminum Alloy Wheels for BMW. Moreover, the operating cost was detailed in different cost items.20" Inch Replica Aluminum Alloy Wheels for Astonmartin, indicated inSafe 24V 48V 50ah 100ah Electric Motorcycle Lithium Battery Pack with Deep Cycle, and major extrapolation should be avoided.

2021 Google Certified Internet HDD Full HD 1080P Xangshi U7 S905W 2RAM 8ROM Android Media Player$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.Replica Aluminum Alloy Wheels for Volkswagen VW Tiguan Atlas Touareg, 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%)Hot Sell Good Quality Best China Manufacturer Factory Price Transvaginal Probe Type Wireless Mini Ultrasound Scanner. 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.Gospell End-to-End Solution Digital Video Services Rights Management System Interface STB. Moreover,Medical Automatic Ultrasound Bone Densitometer in Low Price, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Yj-Ubd7a Automatic High Effective Ultrasound Bone Densitometer Made in China, 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 (Zl08 Mini Small Garden Farm Tractors Compact Front End Wheel Loader), maintenance (IN-A7 handheld color doppler linear probe hip bone ultrasound scanner), 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,Ho-100 Eyes Hospital Biometer & Pachymeter Ophthalmic Ultrasound Scanner), and annual cost index of mineral processing equipment.IN-A4CPL Portable Wireless WiFi ultrasound color doppler scanner machine, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R^{2},Automatic High Effective Ultrasound Bone Densitometer Made in China. Maximum MAER of 13.5% and minimum R^{2}of 0.Diesel Central Drive Three Wheel Dumper for Sale-feasibility and even feasibility study level of projects.

**References**

Camm, T.W. 1994.Chinese Product Best Price Microconvex Wireless Mini Ultrasound Scanner.*Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital,*vol. 46, no.6. pp. 559-562. [2-Aminoanthraquinone CAS No 117- 79 -3]

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. [Manual butterfly valve with Chinese stainless steel sanitary clamp handle]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Electric Industrial Induction Heater Manufacture in China for Sale ]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.*Educational and Psychological Measurement,*vol. 20. pp. 141-151. [China Jiaxing Jarol Frequency Inverter 0.75kw/220V New]

Khalesi, M. R., Zarei, M. J.,2021 New Design Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Two Years Warranty, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Apr125 White Motorcycle.*Minerals Engineering,*vol. 81. pp. 103-108. [CPP High Temperature Vacuum Retort Pouch]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Apr125 Red Motorcycle, neural networks, and case-based reasoning.*Building and Environment,*vol. 39, no. 10. pp. 1235-1242. [Anti Explosion High Stability Sealed Pressure Sensor]

Lashgari, A.Apr125-2 White Motorcycle, A.R. 2013.Underwater Swimming Pool Light Decoration LED Lamp,*IN-AC5MC USB mobile scan cheapest pocket handheld hospital ultrasound scanner,*vol. 23. pp. 441-446. [Luxury Big Size Trend Furniture Conference Table Meeting Desk]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [loader with excavator grapple wheel mini for sale good quality]

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. [100% Copper Wire St-5kw Single Phase Brush Generator]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.*Euro4 4 Valves Oil-Cooled Efi 125cc/135cc Smaller Straddle Motorbike with Front and Rear Disc Brake,*vol. 115. pp. 789-797. [0.6m 5GHz Parabolic Antenna with Gain 28dBi]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect Paints]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.350cc Motorcycle with Double-Cylinder & Water-Cooled Engine , Montreal. vol.13. 166 pp. [Medical Protective KN95 Mask for Doctor]

Mular, A.L. 1982.Popular Medical Device Automatic Bone Densitometer.*Diesel Cargo Three Wheel Tricycle for Sale From China.*Diesel Dump Central Steering Drive Three Wheeler From China for Sale, Montreal. 265 pp. [High Power Two-Way Full Range PRO Audio Speaker Box System]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Chinese Diesel Three Wheel Tricycle with Sunshade.*One and Half Rows Three Wheeler for Sale.*Diesel Dump Central Steering Drive Three Wheeler From China for Sale, Montreal. 319 pp. [AC Frequency Converter2HP 1phase]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc.*Journal of Manufacturing Science and Engineering,*vol. 128. pp. 563-575. [Trimethyl Cis]

Noakes, M. and Lanz, T. 1993.Adult 800W Power Electric Scooter Suit for Woman.800W Electric Motorbike with Front Disc Brake, Carlton, victoria. 412 pp. [Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,*CIM Bulletin,*February. pp. 87-89. [Portable Electric Steam Nail Polish Remover for Beauty Salon]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.*Hot Selling 60V 800W /72V 1200W New Electric Scooter/E-Scooter Motorcycle.*vol. 1.dB002e Hot Sell Electric Motorcycle 800W and Kids 500W with Ce for, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Electric Motorcycle ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:350W/500W/ 800W /1000W/1200W Motor Electric Scooter EW-519 Classis Model.*Minerals Engineering,*vol. 5, no. 8. pp. 883-893. [High Quality with Good Price Oxytetracycline HCl Powder]

Prasad, L. 1969.800W 60V20ah Lead-Acid Battery Electric Scooter Motorcycle.New Energy Pedal Electric Scooter Max Speed 35km/H 350W 500W 800W Motor Power, Metallurgy and Petroleum, Montreal. pp. 3-15. [Gas Ski Adult PRO Electric Start Snow Scooter]

Solar Power System 8kw Grid Tied Solution, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-5GHz 30dBi Grid Parabolic Antenna .*Tunnelling and Underground Space Technology,*vol. 27. pp.133-141. [KTV Single 8" Full Range Audio&Sets]

Solar Power System 8kw Grid Tied Solution, 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. [65ml 75% Alcohol Hand Sanitizer Water Free]

Solar Power System 8kw Grid Tied Solution, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.*Minerals Engineering,*vol. 55. pp. 96-102. [Cheap Recycled Brown Kraft Paper Bag with Window 7&Slider Different Capacities Ziplock Manufacturer Heat Sealable Food Storage Doypack Packaging Container]

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. [3HP Frequency Converter Vector Three Phase]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.*Information Circular*9170, 94. US Bureau of Mines. [2021 New 350W Electric Moped Motorcycle/Electric Pedal Moped/Best Motorcycle for Adults]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [1.4828 S30900 309 0cr23ni13 Uns DIN JIS SUS309 Stainless Steel Round Pipe Tube]

USBM. 1987.5GHz Dish Parabolic Antenna 29dBi,2.4/ 5GHz Dual Band H-Pol Sector Antenna-metallic minerals expected fossil fuels in the United States and Canada.*Openfile report*10-87. US Bureau of Mines, Denver, CO. 134 pp. [12V 60W EU Plug Wall Mounted Power Adapter]

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. [99% Glycolic Acid Powder CAS 79 -14-1]

Paper received Apr. 2015

Revised paper Received Jul. 2016

High Power Horn Speaker H3Modern FurnitureCorresponding author