機器
african
american
automatic
bag
black
blue
button
collar
control
engineer
equipment
face
factory
gear
hard
industrial
industry
inspection
inspector
man
management
manager
mechanic
old
operate
operator
panel
paper
people
plant
plastic
portrait
press
printing
printout
publication
publish
reel
roller
screen
standing
supervisor
technician
touch
traditional
work
worker
young