英文關鍵字
front
arm
bishing
chassis
abandoned
object
mount
metallic
machinery
machine
looped
joint
human
hobs
equipment
engine
element
cylinder
curve
connection
clipping
car
bush
block
replace
ball
background
automobile
auto
part
technology
tool
service
shop
vehicle
mechanic
maintenance
repair
garage
workshop
inspection
station
technician
occupation