ERGOSTYLE

parts and elements of machines, installations and apparatuses, namely, spoke, disc and arm hand wheels, hand wheels with indicator, hand wheels with dial position indicators, mechanical and electronic analog [ and digital ] position indicators; handles, arm or lever handles; fixed, rotating or folding handles, fixed, folding and locking grips; handles, adjustable handles, locking handles, regulating handles; knurled knobs with graduated rings; [ plug screw caps, level indicators, indicator level caps, breather and valve plugs, inlet and outlet plugs ]