**3. Handling and carrying heavy drywall panels as sources of exposure**

Handling and carrying the heavy and bulky drywall panels have been cited as exposure sources for the high amount of back and shoulder muscle injuries of drywall carpenters. Handling of heavy drywall pieces was reported by [3], to be associated with more than 40 percent of the overexertion injuries of drywall workers. In this study, more than 15% of total traumatic injuries were muscle overexertion due to lifting of the heavy drywall panels, whereas 37.2% of total traumatic injuries were injuries due to bodily reaction while handling the drywall panels.
