機器
auto
automobile
automotive
car
closeup
cog
combustion
device
drive
electric
electrical
electronic
engine
engineering
gear
generator
grey
ignition
industry
machinery
maintenance
mechanic
mechanical
metal
metallic
motor
object
old
part
power
pump
repair
run
service
silver
solenoid
spare
spark
starter
steel
stroke
system
technology
teeth
tool
transfer
transportation
vehicle