Valves (parts of machines); clack-valves of machines; filters (parts of machines, motors or engines); pneumatic controls for machines, motors and engines; cylinders for machines; speed governors for machines, engines and motors; regulators (parts of machines); pressure regulators (parts of machines) - machines and machine tools, motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements; incubators for eggs