background
bad
barrel
black
bottle
chemical
container
corrosive
damage
danger
dark
death
destroy
dirty
drain
drop
drum
energy
engine
environment
fall
fish
fuel
gallon
illustration
illustrator
industrial
industry
isolated
leak
leaking
liquid
material
metal
object
oil
petroleum
power
spill
stain
symbol
tank
toxic
waste
water
wet
white