1. are mandatory for grinding or for working where sparks or chips are flying eye protection should also be used when soldering or working around automotive. 2. False 3. safety procedure in which a voltage source can be physically locked out or turned off and tagged out with an identifying user label to prevent the circuit from being energized by someone else. 4. Grounded-fault circuit interrupter (GFCI) 5. true 6. this can prevent electrical current from flowing through both of your hands and passing through major body organs that could cause serious injury or death. by keeping