機器
adult
asia
asian
career
engineer
engineering
expert
facility
factory
foreman
happy worker
heavy
helmet
industrial
industry
job
labor
labor day
lathe
looking camera
machinery
maintenance
male
man
manager
manufacture
manufacturing
mechanic
metal
milling
occupation
operator
people
plant
portrait
production
profession
professional
safety
service
skill
southeast asia
technician
teen
welfare
work
worker
workplace
workshop