automobile
car
car engine
change
checking
color image
device
engine
examining
gage
gauge
hand
holding
horizontal
human
image
industry
inspecting
inspection
instrument
land
lubricant
maintenance
man
manual
measurement
measuring
mechanic
motor
oil
one
one person
paper
person
professional
repair
routine
safety
service
station
towel
transportation
uniform
unrecognizable
vehicle
worker
working
workshop