All pneumatically driven nailers, staplers, and other fastening equipment provided with automatic fastener feed shall have a safety device on the muzzle which is designed to prevent the tool from ejecting fasteners unless the muzzle is in contact with the work surface.
Minn. R. agency 151, ch. 5205, MACHINE GUARDING, pt. 5205.0850
Statutory Authority: MS s 182.655