75Cleaning of equipment before repairs

75 Cleaning of equipment before repairs (1) This section applies if a repair or alteration is to be made to— (a) any equipment (for example, mixers, receptacles and tools) that has come into contact with an explosive mixture; or (b) any premises where an explosive mixture is or has been stored. (2) If the repair or alteration will require the use of a potential source of heat, flame or sparks (for example, welding, cutting or grinding equipment)— (a) the explosive mixture must be moved to a safe place; and (b) any residual trace of the explosive mixture must be removed before the repair or alteration begins. explosive mixture includes a component of an explosive mixture.