機器
abrasive
background
black
blade
bonded
cemented
circle
circular
cut
dark
disc
disk
electric
equipment
fabricate
fine
flap
flat
grinder
hard
hardware
hole
industrial
industry
iron
isolated
machining
manufacturing
mechanic
metal
new
power
production
repair
rotate
rotating
sanding
saw
spin
steel
stone
straight
texture
tool
used
wheel
wheels
white
work