機器
abrasive
align
angle
angle grinder
art
builder
building
circle
circular
concrete
construction
cut
cutoff
cutting disc
disc
disk
dust
electric
electrical
equipment
finishing
gear
granite
grinder
grinding
hand
hardhat
headphones
helmet
holding
industry
machinery
man
powder
protective
rotation
saw
sawdust
sawing
stone
tiler
tiles
tool
uniform
wheel
work
worker
workwear