機器
accident
alert
area
attention
background
blade
caution
chain
cog
cogwheel
crush
cut
danger
electrical
entanglement
equipment
finger
fold
force
gear
guard
hand
hazard
icon
illustration
industrial
injury
label
machinery
mechanical
moving
operate
pinch
press
protection
risk
roller
rotating
safety
safety first
security
sharp
sign
spine
sticker
symbol
warning
zone