Metalworking machines; valves as parts of machines; ball valves being parts of machines; valves being parts of pumps; pump control valves; hydraulic valve actuators; pneumatic valve actuators; machine tools; metal extrusion presses; fluid couplings being parts of machines; mechanical presses for metalworking; grinding tools [machines or parts of machines]; metal forming machines; machine transmission components, except for land vehicles; couplings for machines.