機器
business
caucasian
computer
construction
design
employee
engineer
engineering
equipment
factory
hard
hardhat
hat
heavy
helmet
industrial
industry
job
labor
logistic
male
man
manufacture
manufacturing
mechanical
metal
metalwork
occupation
operator
overall
people
person
portrait
production
safety
serviceman
steel
technician
technology
uniform
warehouse
white
work
worker
workman
workplace
workshop
yellow
young