機器
auto
automobile
automotive
block
broken
business
car
closeup
cylinder
detail
energy
engine
engineering
equipment
factory
fix
fuel
garage
gasoline
hood
industrial
industry
injection
internal
machinery
maintenance
manufacture
mechanic
metal
motor
oil
overhaul
part
pattern
power
repair
safety
service
speed
steel
technology
texture
tool
transmission
transportation
tube
used
valve
vehicle