lo-to-johnMany serious accidents have happened when someone thought a machine or the power to it was safely off. “Lock-out tag-out” is a way to protect yourself and others by ensuring that machines remain completely, temporarily off. Without a lock-out tag-out system there is the possibility that a machine will unexpectedly start up, either because of stored energy which was not correctly released or through the actions of someone starting the process without realizing that it isn’t safe to do so.