機器
abrasive
artisans
automated
cnc
construction
crafts
cutoff
cutter
employees
engineering
equipment
experienced
factory
fettler
industrial
industry
labor
lathe
machinery
male
man
manufacture
manufacturing
mechanic
mechanician
metal
metalwork
milling
ncc
old
older
operator
people
probe
production
protective
repairman
retirement
senior
service
serviceman
sparkles
spin
steel
tool
work
worker
workplace
workshop