Section R. 408.41928 - Definitions; PRule 1928.
(1) "Point of operation" means that point at which cutting, shaping, working, assembling, or forming is accomplished upon the stock.(2) "Point of operation device" means a control or attachment which does any of the following: (a) Restrains the operator from inadvertently reaching into the point of operation.(b) Prevents normal machine operation if the operator's hands are inadvertently within the point of operation.(c) Automatically withdraws the operator's hands if they are within the point of operation as the machine cycles.(3) "Portable powered stapler and nailer" means a tool that drives a staple or nail by mechanical, pneumatic, or electrical power into a workpiece, but does not mean a general office stapler.(4) "Portable powered tool" means a machine or instrument which is carried or moved by hand and which is powered by something other than the hand.(5) "Powder-actuated tool" means a device that makes instantaneous forced-entry fastenings into construction materials through the use of a fastener and an explosive load.(6) "Powered bender" means a machine that consists of dies or fixtures located between a moving and a fixed machine part. When metal is placed between the parts, the moving part is pressed against the fixed part, bending the metal to the desired shape.(7) "Powered feed rolls" means parallel rolls that run inward to move material into the point of operation of a machine.(8) "Power load" means a substance that is capable of producing a propellant force in a powder-actuated tool.(9) "Protective shield" means a device or guard which is attached to the muzzle end of a powder-actuated tool to confine flying particles.(10) "Push block" means a short block of wood which has a handle similar to that of a plane, a shoulder at the rear end, and is used for pushing stock over revolving cutters.(11) "Push stick" means a narrow strip of wood or other soft material which has a notch or sharp point on 1 end and which is used to push material through the point of operation of a cutting tool.Mich. Admin. Code R. 408.41928