acid
analyze
atom
cabinet
chemical
chemistry
container
control
dangerous
death
development
drug
experiment
factory
fire
flame
flammable
fuel
gas
hazard
hazardous
health
horizontal
hospital
industrial
information
label
laboratory
leak
liquid
many
medicine
messy
molecular
no people
open
pharmacy
poison
pollution
power
production
protect
protection
protective
safety
science
shelf
substance
warning