機器
adult
auto
blue
business
car
change
computer
coveralls
electric
engine
engineer
expertise
garage
hood
indoors
industry
land
lubrication
machinist
maintenance
males
man
manual
mechanic
men
motor
occupation
oil
overalls
overhaul
part
repair
repairing
repairman
service
shop
spanner
technician
technology
tire
tool
transportation
uniform
vehicle
work
worker
working
workshop
wrench