機器
accessories
auto
automobile
automotive
background
broken
car
carving
check
cleaning
closeup
cog
control
crank
crankshaft
dirty
engine
engineer
examination
fix
fixing
garage
gear
hand
industry
inspecting
inspection
iron
machinery
man
mechanic
mechanical
metal
metallic
motor
part
piston
profession
repair
repairman
service
shop
steel
technical
technician
transport
vehicle
worker
working