機器
accuracy
alloy
automation
circular
cut
cutter
diamond
drill
drilling
engineer
engineering
equipment
factory
hard
heavy
industrial
industry
instrument
iron
lathe
lathing
machinery
manufacture
manufacturing
material
mechanic
mechanical
metal
metalwork
metalworking
mill
milling
plant
precision
process
processing
production
professional
rotation
shaving
stainless
steel
technology
tool
work
worker
workplace
workshop