R 408.15406 Definitions; T to W.

Rule 5406. (1) "Tip speed" means the distance a rotary blade tip covers in 1 minute, or circumference in feet times revolution during a 1 minute interval. (2) "Two stage snow thrower" means a snow thrower with the impeller as a separate unit from the collector. (3) "Walk-behind mower" means a grass cutting machine either pushed or self- propelled, controlled by an operator walking behind the unit. (4) "Walk-behind snow thrower" means a snow thrower either pushed or self- propelled, controlled by an operator walking behind the unit.