power-operated construction equipment; namely, hammers for cracking pipes, and parts of these products; namely, machine bodies, pistons, piston slider rings and piston compression rings, tubular sleeves, traction cables made of wire and pull cable nipples, junction hoses with quick disconnect coupling sockets, hose nuts and dust covers; accessories for these products; namely, drifts, clamping trolleys, mechanical winches, winch cables and guide chains