機器
asia
asian
auto
business
control
employee
engineer
engineering
equipment
factory
hardhat
helmet
industrial
industry
job
labor
machinery
machining
maintenance
male
man
management
manager
manufactory
manufacture
manufacturer
manufacturing
mechanic
occupation
operating
people
plant
portrait
production
professional
repair
repairman
safety
service
serviceman
team
teamwork
technology
tool
warehouse
work
worker
workman
workshop