機器
business
caucasian
checking
computer
construction
controlling
development
employee
engineering
equipment
face
factory
hardhat
hardworking
helmet
industrial
industry
job
labor
laborer
machinery
male
man
manufacture
manufacturing
metal
occupation
operating
operator
parts
person
positive
production
production hall
professional
protection
quality
safety
smile
success
technology
uniform
warehouse
work
work wear
worker
working
workman
workplace