機器
automated
automatic
automation
button
caucasian
computer
control
engineer
engineering
english
equipment
facility
factory
hardhat
heavy
industrial
industry
instrument
job
large
machinery
machining
male
man
manual
manufactory
manufacturing
mechanic
occupation
operating
operation
operator
people
person
plant
precision
production
professional
safety
setup
technician
technology
work
worker
workman
workplace
workplace young
workshop
young