Rule 4201. This part provides safety for life, limb, and health in or about places of employment and applies to all classes of power-forging machinery both for drop forging and flat-die forging, including steam hammers, pneumatic hammers, mechanically operated hammers, forging presses, forging rolls, trimming presses, bulldozers, upsetting machines, bolt-heading and rivet-making machines and power shears, and incidental operations and equipment in connection with such machinery. Excluded are cold forging operations.
Mich. Admin. Code R. 408.14201