機器
accident
area
attention
background
caution
danger
dangerous
design
element
emblem
environment
equipment
exclamation point
flat
food
graphic
hazard
icon
illustration
industrial
information
isolated
label
message
motion
not
notice
object
operator
outline
pictogram
protection
restricted
risk
safety
security
sign
silhouette
simple
sticker
stop
symbol
talk
triangle
warning
web
while
white