[ Motors and engines, except for land vehicles; ] machine coupling and transmission components, except for land vehicles; pneumatic, electrical and hydraulic valve actuators [ ; valves being parts of machines; pressure reducers being parts of machines; drilling rigs, floating or non-floating; drilling derricks; drill bits for rock drilling; engines for boats; electrical generators; hydraulic engines and motors; industrial robots; pumps for machines; regulators being parts of machines; winches ]