機器
abrasive
accuracy
automotive
background
business
carbide
cnc
coolant
corundum
cut
cutter
detail
diamond
equipment
fabrication
foundry
grinder
grinding
grindstone
heat
industry
iron
machinery
machining
manufacturing
metal
metalworking
mill
milling
operation
precision
process
production
rotation
sharpening
sharpening stone
sparkles
sparks
speed
stainless
steel
stone
surface
technology
tool
water
wheel
work
workshop