background
barrel
black
business
can
canister
chemical
container
crude
danger
design
diesel
drum
economy
energy
environment
fossil
fuel
gallon
gas
gasoline
global
icon
illustration
industrial
industry
isolated
liquid
market
metal
money
oil
petrol
petroleum
pollution
power
price
production
realistic
resource
sign
steel
stock
symbol
tank
text
toxic
trade
white