environmental
atomic
barrel
biohazard
biohazard barrel
biological
can
canister
caution
chemical
container
contaminated
contamination
cylinder
danger
dangerous
disposal
drum
dump
energy
fluid
garbage
hazard
hazardous
illustration
industrial
industry
lab
liquid
material
metal
nuclear
pollution
power
radiation
radioactive
radioactivity
resource
risk
safety
steel
substance
tank
toxic
warning
waste