Section R. 408.13805 - Definitions; HRule 3805.
(1) "Hammer actuated piston tool" means a device which, when struck by a hammer and supplemented by an explosive load, moves a captive piston to drive a fastener into a work surface.(2) "Hand tool" means an instrument used or worked by hand.(3) "High velocity tool" means a device which, when used with an explosive load, propels a fastener at a velocity more than 300 feet per second when measured 6 1/2 feet from the muzzle end of the tool.(4) "Hoist and puller," sometimes called a come-along, means a portable, manually operated device for lifting, lowering or moving by a pulling force.(5) "Hot stick" means a dielectric tool extension used when working on energized conductors and apparatus.Mich. Admin. Code R. 408.13805