accident
alert
attention
backdrop
banner
building
caution
coarse
concrete
construction
danger
dangerous
design element
diagonal
do not enter
flag
grunge
hazard
hazardous
incomplete
industrial
mark
material
national
notebook
notice
pattern
pen
protection
risk
russia
russian
safety
security
simple
stay away
stonewall
stop
stripes
text
texture
urban
wall
warning
word
yellow and black stripes