機器
abrasive
assemble
beam
blade
build
builder
carcass
circular
close
construction
crop
cut
cutter
diamond
disc
disk
electric
engineering
equipment
factory
hand
industrial
industry
laborer
manual
manufacturing
material
metal
mill
operate
piece
plant
plate
process
production
round
saw
spark
spin
steel
technology
tool
view
wheel
work
worker
workshop