Loading and hauling machineries are highly capital intensive equipment to procure, operate and maintain in surface mining operation. It must be borne in mind that with this huge and capital-intensive equipment, every second of its life time is absolutely important from the production and productivity point of view. As such, it is imperative to optimize the overall cycle time and speed factor of...

Abstract In the factor analysis model with large cross-section and time-series dimensions ,we propose a new method to estimate the number of factors . Specially if the idiosyncratic terms satisfy a linear time series model, the estimators of the parameters in the time series model can be made . The theoretical properties of the estimators are also explored.A simulation study and an empirical an...

the purpose of this paper is to identify the factors of customer satisfaction in export development bank of iran (edbi). in this study, purposive sampling technique was employed to recruit 50 customers classified as government service holder, private service holder and businessmen from all edbi branches. we have done kaiser-meyer-olkin measure of sampling adequacy, bartlett's test of sphericity...

results the results show that the individual and demographic factor (idf), organizational factor (of), h & s training factor (tf), workplace-human factor (whf), factor related to type of accident occurrence (taf), h & s risk management system factor (rmsf), and accident time factor (atf) were considered to be effective and significant independent latent factors in occupational injuries. conclus...