機器
aluminum
アルミニウム
attached
bevel
cast
cog
cogwheel
connection
cross
drive
driving
engine
engineering
equipment
gear
gearbox
gearing
gears
helical
helix
industrial
industry
machinery
manufacture
manufacturing
mechanic
mechanical
mechanism
metal
motor
part
power
powerful
reducer
rotation
spare
speed
steel
technology
torque
transfer
transmission
turn
worm