機器
abrasion
abrasive
abrasive disk
abrasive equipment
aggressive
attachment
board
brass
brush
brushing
circular
clean
cleaning
closeup
collection
crafts
cutting
device
disk
electric
equipment
factory
grinding
grinding wheel
impact
improve house building
industrial
metal
occupation
old
polished
polishing
radial
repair
roller
rotating
round
scratch
scratches
set
speed
steel
texture
tilt
tool
turn
twisted
wheel
wire
wire wheel
wooden board
work
work tool
working