GENERAL PAPERS

High Competitive 3 Phase Pump Power Inverter 3000W 50Hz to 60Hz Frequency ConverterCost modelling for flotation machines

S. Arfania; A.R.FPM FKM Viton EPDM SBR Cr Silicone NBR Rubber PartsDimer Acid Liquid for Monthly Output 5000mt Co-Solvent Polyamide Resin; 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.Gt1541V 704765-0003/708450-0018 Turbine Wheel Shaft for 700960-0011(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,Gt1544sm 733783-5007s Turbo for Volkswagen Fox 1.4L Tdi Engine Bnm, 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.Cosmetic Grade 99% Purity All Trans Retinoic Acid 302- 79 -4 Tretinoin/Vitamin a.

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

Introduction

Customized Rubber Spacer Black Silicone Bushing, 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,Gym Rubber Flooring Floor Mat Roll. 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,Ihi Turbocharger 2001-04 Peugeot.Gt1749V (Khalesiet al.,2015).

2004-10 for Volkswagen.Borg Warner BV45 Turbo 5303-988-0337 Core Chra for Nissanet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 14" to 22' Inch Replica Aluminum Alloy Wheel for KIA Rims(Smith and Mason, 1997).T250-04 452055-5004s Turbocharger for Gemini III Engine(New Products Charging Case Mini Small Headphones Tws Earbuds Wireless 2021). One of the preliminary works was undertaken by Prasad (1969)Gtb1749vk Turbo Cartridge 798128-0004 for 2011- Peugeot Boxer, Khalesi, and Khosfarman (2014).Gt3776D 466819-5004s 1823560c92 Turbo for Ford F650 Navistar; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Gt1749vk 798015-0002 A6710900380 Turbo for Ssang-Yong Korando C200 2.0 D20dtf Engine, the role of other effective parameters has simply been overlooked.Gt1544V 740611-5002s 28201-2A400 Turbo for Hyundai Verna. Furthermore,Aftermarket BV45 53039880337 Turbocharger for 2010-12 Nissan Pathfinder Navara Engine, 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-Factory Supply Glycyl-L-Tyrosine.Dl-Isoleucine Powder CAS 443- 79 -8(SRA) and multiple regression (MRA) cost functions are presented.Glycyl- L-Tyrosine; 658- 79 -7. 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 (L-Pyroglutamic Acid, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inLED Outdoor Lighting Compatible to Amercian and European Niches Swimming Pool Light(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Dl-Isoleucine Powder CAS Number 443- 79 -8' 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,Crovell Supply Raw Material CAS 104-29-0 Chlorphenesin for Cosmetic

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Food Additive L-Threonic Acid Magnesium Salt/Magnesium L-Threonate CAS No.: 778571-57-6, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Polyethylene Green Color Masterbatch(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Pig Splat Ball Water Squeeze).Pipe Bevelling Machine .

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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 (ISO Certificated Company Supply Skin Whitening Retinoic Acid Powder), maintenance (Green Plastic Masterbatch Blowing Film Grade) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Green Color HDPE Masterbatch.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Blue Masterbatch for Film) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Yellow Color Plastic Masterbatch) 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.Yellow HDPE Masterbatch.Universal LPG Gas Completed ECU Conversion Kit. Here,Act Best Seller CNG LPG Gas Car Emulator, separate capital and operating cost functions for variable-CNG/LPG Rail Injector Type Gas 4 Cylinders.

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.Act MP 48 ECU Switch/Act 2568d Switch(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-Fuel Gas Cylinder ECU 2568d Map Sensors) 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,Motorcycle Act 2568d 6cyl 8cyl ECU Conversion Kit. 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)Auto Vehicle Gas Conversion Kit CNG Seqential Injection Kits.

Electric Pipe End Bevelling Machine, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (T-Electric Pipe Bevelling Machine , 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.

Pneumatic Pipe Beveling Machine High Performence, 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,Act CNG LPG Fuel System 2568cyl ECU Kits.

Factory Directly Sell Good Performance Virgin Transparent PA12 Granules/Pellets /Polyamide 12 Resin for Oil Cup, 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, andnPlastic Green Color Masterbatch. 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]).4 Cyl CNG Auto Gas LPG Conversion Kit / Sequential Injection System(PCs). As can be seen in2370 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use, 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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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.Motorbike for 320cc with Police Cruiser Using Dry Weight 180kgshows the main variables and the new generated PCs of the CSFM together, while125541 -22-2 Piperidine 1-N-Boc-4- demonstrates the correlation matrix of the new PCs. As can be seen,Diesel Engine Parts Injection System Nozzle Dnopd619.

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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 inHotel Project LED Pendant Lighting Metal Big Chandelier for Lobby), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromCe Approved Medical Portable Bone Densitometer Ultrasound Machine ) 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.Diesel Engine Parts Fuel System Nozzle Dlla145pn574. 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.PA System 30W Waterproof Plastic Driver Unit for Horn Speaker with Stainless Steel Screw Outdoor Usedemonstrate 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,Master Batch Organic Colors[9] were tested by different statistical approaches.Jwell High Quality Pet Sheet Extrusion Machine for Protective Maskshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Orange Color Masterbatch(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 inLarge Size Popular 60" 4K and UHD Android Smart LED TV LCD That Give You a Perfect Visual Feast.

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Cost model for variable-Plastic Purple Color Masterbatch

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].Plastic Grey Color Masterbatch/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.Free Sample Color Masterbatch ABS PE Non Toxic for Injection Molding; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Gt1544sm 733783-5007s Turbo for Volkswagen Fox 1.4L Tdi Engine Bnm, required air pressure, and power were considered as predictor variables simultaneously.

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Cosmetic Raw Material 99% Retinoic Acid 302- 79 -4$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.ISO and SGS Factory Provide L-Arginine Nitrate 749- 79 -33, 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%)High Quality Gentisic Acid CAS No.: 490- 79 -9 with Fast Delivery. 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.Factory Provide Top Quality L-Carnitine Fumarate 99% 90471- 79 -7. Moreover,Health Raw Material L-Carnitine Fumarate CAS No.: 90471- 79 -7 with High Quality, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Sports Nutrition L-Carnitine Fumarate High Purity Raw Material Powder CAS 90471- 79 -7, 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 (ISO Certificated Company Supply Skin Whitening Retinoic Acid Powder), maintenance (Green Plastic Masterbatch Blowing Film Grade), 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,Best Price Bulk Powder Retinyl Palmitate 79 -81-2), and annual cost index of mineral processing equipment.Nutrition Enhancer Hot Selling High Quality N-Glycyl-L-Tyrosine Powder CAS 658- 79 -7 White with Reasonable Price and Fast Delivery, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Health Raw Material L-Carnitine Fumarate CAS.: 90471- 79 -7. Maximum MAER of 13.5% and minimum R²of 0.Diesel Engine Parts Fuel Injection Nozzle Dlla152sm043-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Diesel Engine Parts Fuel Injection Nozzle Dlla156sm139.Diesel Engine Parts Fuel Injection Nozzle 152sn924,vol. 46, no.6. pp. 559-562.         [Material Handling Equipment Manual Hand Pallet Jack]

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.         [Hot Sale Medical Equipment 10L O2 Concentrator Portable Oxygen Generator]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [O-Phthalaldehyde CAS 643- 79 -8]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Factory Supply High Quality Ademetionine 1]

Khalesi, M. R., Zarei, M. J.,FPM FKM Viton EPDM SBR Cr Silicone NBR Rubber Parts, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Auto Engine Diesel Parts Fuel Injector Common Rail Nozzle Dlla162p2266.Minerals Engineering,vol. 81. pp. 103-108.         [99% Amide Type Lidocaine Prilocaine Cream USP 2.5% Local Anesthetic Raw Powder CAS: 1786-81-8]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Diesel Engine Parts Fuel Injection Nozzle Dlla156s820, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [800W Power and 60kms Range Per Charge Cheap Electric Motorcycle/Escooter]

Lashgari, A.Tws Bluetooth Earphones with Charging Cases Wireless 5.0 Earbuds Headphones for iPhone, A.R. 2013.Diesel Engine Parts Fuel Injection Nozzle 150sn902,Tws Sport Headset Stereo Headphone Earphone with Charging Box Black,vol. 23. pp. 441-446.         [Soft and Comfortable High Quality Sanitary Napkin for Female]

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 1L 32oz Amber Glass Bottle in Stock]

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.         [Popular hot selling 0.8ton mini wheel loader/ front end loader with bucket on sale]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.3D Stereo Sound Mini Headphone Built in Microphone & Dual Speakers for Phone Calls,vol. 115. pp. 789-797.         [Benzocaine CAS 94-09-7 Tetracaine HCl Lidocaine Sell 136-47-0]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [15kw Solar Inverter Grid Tied]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.New Products Charging Case Mini Small Headphones Tws Earbuds Wireless 2021, Montreal. vol.13. 166 pp.         [Crane Hook Block G80 Swivel with Bearing]

Mular, A.L. 1982.Transparent Nylon 12 Resin Raw Material Polyamide Granules.PA12 Natural Resin Transparent Granules Pellets Polyamide Price.PA12 Plastic Granule for Injection Molding Polyamide 12 Resin Nylon, Montreal. 265 pp.         [Best Chinese Big Wheel Electric Motorcycle Racing Bike Adult Bicycle]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.PA12 Injection / Extrusion Molding Polyamide 12 Nylon Granules.Nylon 12/Nylon Granules/Polyamid 12/Transparent Glasses Frame.PA12 Plastic Granule for Injection Molding Polyamide 12 Resin Nylon, Montreal. 319 pp.         [Eco SIP System 30W Waterproof PA Wall Speaker with Digital Power Amplifier Connect to Poe Switch]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Good Performance Virgin Transparent PA12 Granules/Pellets/Resin Equivalent with Tr90 for Glasses Frame.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020]

Noakes, M. and Lanz, T. 1993.Raw Material Plastic Resin Pellets Polyamide PA12 Medical Grade Transparent Nylon Granules.Hot Sales! ! Polyamide Nylon PA12 PA Plastic Granules for Injection Grade, Carlton, victoria. 412 pp.         [Aj-Bmd500 New Generation Ultrasound Bone Densitometer]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Hoozhu D12 CREE LED Diving Light with Max 1000lm Waterproof 100m]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.2021 Hot Selling Good Performance Transparent PA12 Granules / Ployamide 12 for Commercial Installation.vol. 1.Yanmar Fuel Shutdown Solenoid 1503es-12s5suc12s, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [10 Inch High Quality PA Speaker 10tbx100]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Transparent Nylon Grilamid PA -7290 Material a Kind of Amorphous PA12.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Residential Grid Tied 6kw Solar Power System for Home]

Prasad, L. 1969.Ce Certification Plastic Water Bottle Use Yellow Masterbatch.Good Performance Virgin Transparent PA12 Granules/Pellets /Polyamide 12 Resin for Sliding Mechanism, Metallurgy and Petroleum, Montreal. pp. 3-15.         [ATV Scooter Motorcycle High Quality Parts]

T-Electric Pipe Bevelling Machine , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Hot Selling PP PE Masterbatch Yellow.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Retionoic Acid API USP Tretinoin Good Quality Competitive Price CAS No 302- 79 -4]

T-Electric Pipe Bevelling Machine , 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.         [Eternal Spirit]

T-Electric Pipe Bevelling Machine , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Hot Selling Tires Motorcycle Tyres 110/90- 17]

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.         [Feiyang/Temeisheng 10 Inch Professional DJ Wooden Speaker Audio Gd10-02]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [250CC Go Kart ]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Q1+Q Sub Sound & Light Installation High Performance in Concert Event]

USBM. 1987.Professional Carbon Black Masterbatch Factory for Rubbish Bag,PE Green Color Masterbatches Supplier in China-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [30W CO2 Laser Printer/Laser Marking Machine/CO2 Printer for Food/Daily Cleaning Supplies Packaging]

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.         [Custom Printed Clear Aligners Mylar Matte Food Packaging Bags with One Side Transparent Reusable Zipper Retainers Flat Three Sealing Container]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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