機器
add
auto
automobile
background
black
bottle
can
car
change
clean
close
closeup
color
container
diesel
dirty
engine
equipment
fill
funnel
gasoline
gold
hand
industry
level
lube
lubricant
lubrication
maintenance
mechanic
motor
new
oil
petroleum
plastic
pour
pouring
repair
safety
service
station
system
technician
technology
transportation
truck
vehicle
worker
working