Machines, machine tools, parts and accessories thereof, namely, boring machines, machines for use in ramming and bending embedded steel pipes; machines for bursting pipes comprising pulling cables, ramming machines and expanding bursting heads used to replace old pipe with new pipe; motors and drives for machines, namely, hydraulic and pneumatic drives; couplings for machines; devices for load transmission, namely, hydraulic machines for use in cutting and transmitting lead pipes; mechanical construction equipment, namely, bore rods and bore heads; steering apparatus for machines, namely, compressed air operated guiding moles for use in steering boring machines; earth drills used for construction equipment