adult
alert
attention
background
board
business
businessman
care
careful
casual
caucasian
caution
concept
danger
exclamation
expression
formal
gesture
gesturing
hand
handsome
hazard
head
hide
hiding
hold
holding
information
male
man
mark
mask
person
precaution
presenting
red
safe
safety
showing
sign
signal
standing
stick
success
suit
traffic
triangle
warning
young