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Purpose Since construction workers often need to carry various types of loads in their daily routine, they are at risk sustaining musculoskeletal injuries. Additionally, carrying a load during walking may disturb balance and lead fall injuries among workers. Different techniques also cause different extents physical exertion. Therefore, the purpose this paper is examine effects load-carrying on...

in today’s dynamic market, organizations must be adaptive to market fluctuations. in addition, studies show that material-handling cost makes up between 20 and 50 percent of the total operating cost. therefore, this paper considers the problem of arranging and rearranging, when there are changes in product mix and demand, manufacturing facilities such that the sum of material handling and rearr...