ban
billboard
black
calling attention
careless
cleaning
dangerous
extra legroom
fall down
falling over
foot
foot care
forward
freezing
guide
ice
icon
illustration
injury
mark
note
people
person
pict
pictogram
please
posted
present
prevention
puddle
risk
safety
seal
signs
skate
sound effects no hassles
sticker
sweat
symbol
view
vigilance
warning
water
write a note
yellow
your cooperation