af Thais DíazdeRivera Valdivieso 2 år siden
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Mere som dette
moveable puelleys
fixed puelleys
Class 1 levers
Class 3 levers
Class 2 levers
motion conversion
screw and pinion
cams
motion transmission
rotary transmission
friction wheels
gears
liner transmission
pulleys
levers
oscillating motion
reciprocating motion
rotary motion
linear motion