agent
alert
area
attention
biohazard
caution
chemical
chemicals
chemistry
crossbones
danger
dangerous
dead
deadly
death
emblem
ghs
hazard
hazardous
head
icon
illustration
industrial
industry
label
laboratory
material
medical
medicine
mortal
pictogram
poisonous
product
restricted
risk
safety
security
sign
signal
stop
substance
symbol
toxic
toxical
toxicant
toxicity
virus
warning
zone