機器
appliance
auto
automotive
beauty
bolt
bright
business
car
carburetor
chrome
clean
contrivance
cylinder
diesel
engine
exhibition
expensive
generator
head
heat
hood
injectors
intake
manifolds
mechanic
metal
metallic
motor
new
nobody
part
pattern
performance
plastic
power
race
racing
repair
rev
shiny
speed
steel
technician
technology
transportation
v6
valve
vehicle
vertical