although the history of hazard recognition goes back to years ago, and even some techniques were invented to predict it, hazard studies are new in the current knowledge. the concept of hazard and risk will be defined when the events show two special properties: first, they happen unexpectedly, and second, their occurrence cause harm to us. the general state of the earth should be considered amo...

The customer oriented market leaded to the growth of complexity of production and service processes. This growing complexity has increased the required logistics operations and leaded to the appearance of global supply chain strategies. There are several supply strategies, which are based on just-in-time philosophy and they are core tools of leaning. One of these JIT-based supply strategies is ...

conclusions the results showed that group play therapy improves self-concept in children suffering from thalassemia major. objectives the aim of this study was to determine if group play therapy could significantly increase self-concept among children with thalassemia major ages 7 to 11 years old in teaching hospitals of golestan province, iran, in 2012. patients and methods in this randomized,...

Many factors affect JIT implementation directly or indirectly. Factors such as product quality and lead time directly affect the implementation of JIT. On the other hand, factors such as work environment, working conditions, motivation, flexibility whether manufacturing or organizational affect JIT implementation indirectly, although their impact is no less important than those affecting direct...

In manufacturing, great gains in performance have been realized by a new production philosophy, which leads to "lean production". This new production philosophy is a generalization of such partial approaches as JIT, TQM, time-based competition, and concurrent engineering. In construction, lean production is little known. The concepts, principles and methods of lean production are reviewed, and ...