機器
accuracy
automated
background
bending
business
cnc
computer
construction
control
cut
cutter
data
engine
engineer
engineering
equipment
factory
folding
heavy
industrial
industry
laborer
lathe
machinery
machining
man
manufacture
manufacturing
mechanical
metal
metalwork
mill
milling
modern
parts
plant
power
precision
processing
production
steel
technology
thread
tool
tunnel
turning
work
worker
workshop