機器
abrasive
accuracy
buff
carbide
circle
circular
cnc
corundum
detail
diamond
disc
disk
engineering
equipment
fabric
factory
foundry
glazer
grinder
grinding
grindstone
heat
hole
industry
iron
machinery
machining
metal
metalworking
plant
polishing
precision
production
rotation
saw
sharpening
sparkles
sparks
steel
stone
surface
technology
tool
welding
wheel
work
workpiece
workplace
workshop