7 Coupling machines, namely, machines for installation of pipes and hoses, for the nuclear, oil and hydroelectric power industry; Articulated coupling, namely, couplings for machines, for the nuclear, oil and hydroelectric power industry; Shaft couplings machines for the nuclear, oil and hydroelectric power industry; Motor starters for the nuclear, oil and hydroelectric power industry; Shaft couplings as machine parts for the nuclear, oil and hydroelectric power industry; Lifting couplings incorporating mechanisms for handling products, namely, couplings for lifting machines, for the nuclear, oil and hydroelectric power industry; Machine couplings for the nuclear, oil and hydroelectric power industry; Safety couplings for machines for the nuclear, oil and hydroelectric power industry; Overload clutches as machine parts for the nuclear, oil and hydroelectric power industry; Machinery transmission couplings for the nuclear, oil and hydroelectric power industry; Distributors for vehicles, for the nuclear, oil and hydroelectric power industry; Intake manifolds for motors and engines for the nuclear, oil and hydroelectric power industry; silage distributors being machines for the nuclear, oil and hydroelectric power industry; Water pivots being hydraulic couplings, namely, fluid drive couplings as machine parts, for the nuclear, oil and hydroelectric power industry; Metal control valves, namely, pump control valves, not being parts of machines for the nuclear, oil and hydroelectric power industry; Metal valves for controlling the flow of liquids in pipes for the nuclear, oil and hydroelectric power industry; Control apparatus, namely, pump control valves; Thermosonic joining apparatus, namely, machines for bonding wires in electronics.