 We can keep students in school. Visit BoostUp.org and take the first step. Brought to you by the U.S. Army and the Ad Council. This is an important message from the Mine Safety and Health Administration. Belt conveyors can be dangerous to miners working on or around them. Remember, always install proper guarding to prevent contact between miners and moving conveyor parts. Before working on a conveyor, disconnect the power and follow lockout tagout procedures.