abc
anti
antivirus
attention
banner
barrier
black
caution
construction
danger
defend
defensive
design
diagonal
font
frame
glossy
gold
guard
hazard
industrial
industry
lock
orange
power
project
protect
protection
red
safe
safety
secure
security
shield
sign
stripe
striped
support
symbol
text
type
typeset
typographic
typography
vector
virus
warning
work
worker
yellow