Verbal instructions on how to perform a task aren't worth much if the worker isn't asked to demonstrate the task and then be supervised doing it until competency is assured. Unfortunately, that didn't happen and a worker died as a result. The worker was changing a saver sub nut (a large bolt used to hold a drilling bit in place) on a large portable underground drilling unit at an Ontario mine when a large wrench spun off the drill and struck him in the head. He died in hospital. An Ontario Ministry of Labour investigation into the fatality found that the victim […]