機器
auto
automobile
automotive
background
car
closeup
combustion
cutout
detail
diesel
drive
element
engine
flat
gasket
gear
head
industrial
insert
internal
isolated
machinery
maintenance
material
mechanical
metal
motor
new
nobody
oil
padding
part
piece
power
repair
replacement
rubber
service
set
shape
sign
spare
special
symbol
technical
technology
transportation
unused
white