abandoned
barrel
building
can
cargo
chemical
container
corroded
corrosion
crude
cylindrical
danger
dangerous
decay
dirt
drum
ecology
environment
filth
fuel
gallon
garbage
gas
gasoline
grunge
grungy
hazard
heap
hollow
industrial
industry
iron
liquid
metal
obsolete
oil
old
pile
pollution
round
rust
rusted
rusting
rusty
steel
storage
tatty
toxic
waste
weathered