機器
alloy
bench
carbide
circle
cnc
construction
cut
cutter
detail
die
disc
drill
engineering
equipment
factory
finishing
grind
hand
hole
industrial
industry
instrument
iron
machining
manual
manufacturing
metal
metalwork
milling
part
parts
polishing
precision
process
processing
production
rotation
sharpening
spark
spin
steel
technology
tool
treatment
turning
welding
wheel
work
workshop