機器
adult
agriculture
auto
automobile
automotive
battery
belt
check
damaged
drive
engine
engineer
engineering
event
examining
fuel
garage
gear
generator
hand
headshot
industrial
mains outlet
maintenance
man
mechanic
mechanical
metal
metallic
motor
motorcycle
occupation
part
power
pulley
repair
scooter
service
start
steel
system
technician
technology
tool
transmission
vehicle
wheel
working
wrench