機器
alloy
anti
auto
automobile
automotive
background
brake
car
circle
clean
closeup
cloth
component
corrosion
disc
fabric
friction
hand
maintenance
mechanic
mechanical
metal
part
prevent
remove
repair
rotor
round
rust
rustproof
safety
service
shiny
silver
slow
spare
spray
steel
stop
technology
treatment
vehicle
wheel
wooden