background
barrel
business
button
can
chemical
concept
container
crude
danger
design
diesel
drop
drum
energy
environment
flat
fossil
fuel
gallon
gas
gasoline
gold
golden
icon
illustration
industrial
industry
isolated
leak
liquid
market
metal
natural
number
object
oil
petrol
petroleum
pollution
power
sign
silver
square
steel
storage
symbol
tank
trade