機器
automobile
automotive
bobbin
cam
camshaft
car
closeup
coil
color
engine
equipment
gasoline
hand
hold
ignition
induction
inductor
inside
iron
machinery
maintain
maintenance
male
man
mechanic
metal
metallic
motor
objects
overhaul
part
repair
screw
selective focus
service
servicing
shaft
stainless
steel
technology
transportation
valve
valve lifter
vehicle
work
worker
working