Compressed air machines; Compressed air pumps; Compressors for machines; Cutting blow pipes, gas-operated; Door openers, pneumatic; Electric hand-held drills; Engines for air cushion vehicles; Gas-operated blow torches; Nailing machines; Pistons for engines; Pistons for cylinders; Pneumatic controls for machines, motors and engines; Pneumatic grease guns; Pneumatic jacks; Pneumatic nut runners; Pneumatic transporters; Pneumatic tube conveyors; Pneumatic waste oil drainers; Power-operated nail...