machine tool holders; tool holders for machine tools; tool holders for machines; holders for machine tools; holders for machine turning tools; magnetic holders for machine tools; tools for machine tools; modular tools for machines; tools for machines; parts of machines; grinding tools (machines or parts of machines); tools (parts of machines); work holding apparatus (vices), parts of machines; magnetic vices (parts of machines); tool holders (parts of machines); holders for drilling tools (parts of machines); tools for use with machine tools; clamping devices for use with machine tools; cutters being machine tools; holding devices for machine tools; tool changers for use with machine tools; clamping tools being machine apparatus; adapters for machine tools; work clamps for machine tools; carbide burs (machine tools); machine centres; rotating centres (parts of machines); drill chucks (parts of machines); standard shank drills (machines); hammer drills; drill sharpening machines; rotary tables for machine tools; rotary index machines; chucks (parts of machines); apparatus for moving chucks; power chucks (parts of machines); chucking apparatus for metal cutting machines; chucking apparatus for pressing machines; screw jacks (machines)