機器
after
air
auto
automobile
automotive
before
car
changes
closeup
comparison
detail
dirty
driver
dust
element
energy
engine
equipment
filter
filtration
fix
fresh
fuel
gloves
hand
hardware
job
maintenance
male
man
master
mechanical
motor
new
object
old
part
pollution
remove
repair
service
spare
substitution
technician
technology
tool
transport
vehicle
work