機器
automated
boring
center
cnc
cutter
cutting
detail
drilling
engineer
engineering
equipment
factory
fettler
fitter
industrial
industry
laborer
machining
maintenance
man
manufacture
manufacturing
mechanic
mechanical
metal
metalwork
metalworking
mill
milling
operator
processing
production
repairman
safety
service
serviceman
settler
setup
steel
technician
technology
tool
tooling
turning
worker
workman
workshop