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barrel
cargo
chemical
circle
circular
cistern
container
crude
delivery
distribution
energy
environment
equipment
extraction
flat
fluid
fossil
fuel
gallon
gas
gasoline
icons
industrial
industry
lid
liquid
logotype
manufacturing
multiple
oil
oilbarrel
orbicular
plain
pollution
power
receptacle
refine
refinery
reservoir
rondure
round
set
shipping
simple
solid
storage
symbol
tank
warehouse