The Hard LockŪ Nut protects the public in such applications as
operational gears, machine tools, bearings for main shafts, bearings for drive components, welding robots, indices, concrete pump trucks, reduction gears, transmissions, general-purpose pumps, clutch brakes, large dump trucks, forklifts, balancers, aerial vehicles, service trucks [NOTE: Cannot find a word specifically meaning a truck with a ladder. "Ladder truck" refers to fire engines with ladders], piston pumps, lifts, crushers, amusement equipment and more