機器
30s
adult
blue collar
business
caucasian
computer
construction
control box
control panel
department
director
electrical
electrician
engineer
factory
formal
handsome
happy
helmet
industrial
industry
laptop
machinery
maintenance
male
man
manager
manufacturing
mechanical
metal
middle age
middle aged
person
personnel
plant
portrait
production
protective equipment
safety
smile
staff
steel
technical
technician
technology
white collar
work
worker
young