機器
automated
blur
center
cnc
computer
control
employee
employer
engineer
engineering
equipment
factory
female
industrial
industry
instrument
laborer
lathe
machining
maintenance
man
manufacture
manufacturing
mechanic
mechanical
mechanician
metal
milling
operative
operator
people
person
production
repairman
serviceman
setup
technician
tool
wood
work
worker
workman
workshop