機器
assembly
automated
automatic
building
cnc
computer
construction
control
electrical
electronic
engineer
engineering
equipment
factory
gas
indoors
industrial
industry
job
laptop
line
machinery
machinist
maintenance
man
manufacture
manufacturing
mechanical
metal
modern
oil
person
plant
power
process
production
professional
refinery
service
steel
team
technician
technology
tool
tools
work
worker
workman
workshop