機器
adult
artisan
asian
blue
collar
craftsman
educated
experienced
factory
hard
hat
heavy
helmet
hose
industrial
industry
iron
labor
labour
looking
machinery
male
man
metal
metalwork
mid
middle
modern
operative
operator
overall
plant
portrait
repair
safety
serviceman
skilled
steel
technician
uniform
white
work
worker
workman
workplace
workshop
young