barrel
bio hazard
blue
canister
cargo
chemical
circular
container
corrosive
crude
danger
diesel
drum
dump
ecology
empty
environment
factory
flammable
fuel
gallon
garbage
gas
gasoline
hazardous
industrial
industry
keg
liquid
metal
objects
oil
old
outdoors
paint
petroleum
poison
pollution
recycle
recycling
round
rusty
safety
stacked
steel
toxic
transport
warehouse
waste