機器
arms crossed
checking
control
engineer
engineering
equipment
examining
factory
foreman
hardhat
helmet
industrial
industry
labor
machinery
machining
maintenance
man
manufacture
manufacturing
mechanic
occupation
operating
operator
person
portrait
production
professional
protective
robotics
rotary
safety
smiley
staff
team
teamwork
technician
technology
uniform
work
worker
working
workplace
workshop