Energy keeps the workplace going, but it can also kill. Unexpected release of energy is the cause of many serious injuries. Here is one example: Three workers were fixing a problem in a waste conveyor. Two of them tightened the drive belt, while a third worker cleaned a jam at the end. This third worker was seen leaving the area. However, he returned, unnoticed by the first two workers. Under the assumption that the conveyor was clear, it was restarted. The worker who had been clearing the jam was caught in the moving machinery. He suffered severe crushing injuries to his arm. This […]