Section R. 408.14205 - Definitions; H to PRule 4205.
(1) "Hammer" means a machine designed to shape forgings by means of impact between dies. The force of the impact is by gravity or power supplied by steam, air or mechanical means.(2) "Mechanical hammer" means a gravity hammer which uses hydraulic or mechanical devices, such as friction rolls with boards, belts, or ropes to raise the ram and attachments.(3) "Point of operation" means the area of a machine, die, or tool where material is actually worked.(4) "Power shear" means a machine equipped with opposing shear blades and which cuts bar stock.Mich. Admin. Code R. 408.14205