機器
abrasive
accuracy
action
automate
automotive
blur
buff
carbide
cnc
corundum
detail
diamond
disc
disk
equipment
fabric
foundry
glazer
grinder
grinding
grindstone
head
industry
iron
machinery
machining
manual
manufacturing
metal
metalworking
operation
plant
polish
precision
process
production
rotation
saw
sharpening stone
sparkles
sparks
speed
steel
surface
tool
wheel
workpiece
workplace
workshop