horizontal banner
alarm
alert
area
art
attention
background
beware
black
building
careless
caution
circle
concept
construction
danger
dangerous
design
falling
falling objects caution
graphic
hard
hazard
head
horizontal lines
horizontal sign
icon
illustration
information
injury
isolated
label
man
object
person
protect
protection
risk
safety
security
sign
silhouette
site
symbol
triangle
vector
warning
white
white background
yellow