Parts and elements of machines and/or machine installations, namely, spoke, disc and arm hand wheels, bushings [parts of machines], striker bushings [parts of machines], eccentric bushings [parts of machines], plungers [parts of machines], spring plungers [parts of machines], indexing plungers [parts of machines], indexing plungers with rest position [parts of machines], threaded bolt spring plungers and holders thereof [parts of machines], threaded and smooth ball spring plungers [parts of machines], lever indexing plungers [parts of machines], hand wheels with indicator [parts of machines], hand wheels with dial position indicators [parts of machines], mechanical and electronic, analog and digital position indicators [parts of machines], handles [parts of machines], tubular handles [parts of machines], cranked handles [parts of machines], arm and lever handles [parts of machines], fixed, rotating or folding handles [parts of machines], fixed, folding and locking grips [parts of machines], adjustable handles [parts of machines], lifting handles [parts of machines], locking handles [parts of machines], regulating handles [parts of machines], knobs [parts of machines], star knobs [parts of machines], knurled knobs [parts of machines], knurled knobs with graduated rings [parts of machines], lobe knobs [parts of machines], control knobs [parts of machines], levers [parts of machines], indexing levers [parts of machines], control levers [parts of machines], clamping levers [parts of machines], cam locking levers [parts of machines], cross and star shaped levers, adjustable hand levers, caps [parts of machines], plugs [parts of machines], plug screw caps [parts of machines], indicator level caps [parts of machines], breather and valve plugs [parts of machines], inlet and outlet plugs [parts of machines], levelling pads being part of machines or machinery [parts of machines], hinges [parts of machines], closing and latching elements [parts of machines], cam latches [parts of machines], ball lock pins [parts of machines], threaded spring elements [parts of machines], side trust pins [parts of machines], lugs [parts of machines], indexing mechanisms [parts of machines]; scale rings as a part of machine; thrust pads; bearing end caps [part of machines]; connecting clamps [part of machines]; supports [part of machines]; threaded push buttons [parts of machines]; threaded ball push buttons [parts of machines].;