機器
anxious
auto
bad
break
caucasian
danger
depression
engineer
engineering
equipment
exhausted
factory
handsome
hardhat
industrial
industry
job
maintenance
male
man
manufacturing
mechanic
mechanical
occupation
operator
person
plant
portrait
pressure
problem
production
profession
professional
rest
rotate
sad
safety
service
stress
stressed
studio
technician
tired
uniform
warehouse
work
worker
worry
young