area
attention
background
barrel
business
caution
chemical
chemistry
container
corrosive
danger
dangerous
design
drum
environment
equipment
factory
fire
flammable
fuel
gas
gasoline
hazard
hazardous
health
icon
illustration
industrial
industry
isolated
label
liquid
metal
oil
poison
pollution
protect
protection
risk
safety
security
sign
storage
store
substance
symbol
tank
toxic
warning
waste