Asbestos, Caution, Corrosive, Current on, Defective equipment, Do no use, out of order, Do not close, Do not close valve, Do not move, Do not open, Do not open valve, Do not operate, Do not start, Do not start, men working on machine, Do not touch, Do not use, Do not use, empty cylinder, Explosive, Flammable, GAS, Harmful, Irritant, Keep out, Live wires, No access to unauthorised persons, Poison