accident
alert
attention
banner
beware
board
card
careful
caution
construction
crane
danger
design
fall
floor
frame
graphic
hazard
hole
icon
illustration
japan
japanese
label
man
mark
metal
modern
person
pictogram
poster
precaution
prevention
risk
safety
sign
signal
silhouette
step
symbol
template
text
under
warning
watch
white
yellow