機器
auto
automobile
automotive
belt
box
car
cog
crankshaft
detail
drive
engine
focus
force
gear
gearbox
hard
icon
isolated
machinery
mechanic
mechanical
mechanism
metal
part
plate
power
product
production
robust
serrated
service
soft
spare
speed
spin
sprocket
steel
surface
teeth
torque
track
tracktor
transmission
vehicle
wheel
white