機器
above
accident
area
background
belt
blade
chain
cog
cogwheel
crush
cut
danger
electrical
entanglement
equipment
explosive
finger
fold
force
gear
guard
hand
harmful
hazard
industrial
injury
label
machinery
mechanical
moving
no
operate
pinch
press
protection
risk
robot
roller
rotating
rotation
safety
saw
security
sharp
sign
spine
sticker
symbol
warning
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