英文關鍵字
are
automated
boxes
business
businessman
caucasian
checking
clipboard
computer
control
controlling
detail
electronic
employee
engineer
engineering
engineers
equipment
expert
factory
finished
hardhat
helmet
industrial
industry
interior
job
large
lathe
leaving
machine
machinery
machines
machining
male
man
manufacturing
mechanic
metal
occupation
people
plant
production
professional
safety
steel
storage
team
technician
technology
unit
warehouse
work
worker
workers
working
workshop