機器
alternator
aluminum
auto
automobile
automotive
background
belt
belts
black
bright
car
chrome
closeup
converting
detail
diesel
drive
electric
electrical
electricity
energy
engine
equipment
generator
hand
holding
holds
industrial
mechanic
mechanical
metal
motion
motor
new
old
part
parts
power
repair
spare
steel
system
technology
timing
transportation
used
vehicle