機器
abrasive
aggressive
attachment
background
bristle wire brush
bristles
brush
brush wheel
burnish
circular
clean
cleaning
cutter
device
disc
disk
electric
equipment
grinder
grinding wheel
industrial
industry
instrument
iron
isolated
metal
metallic
radial
rotary
rotate
round
scratching
sideways
steel
tool
twisted
wheel
wire
wire brush
wire brush wheel