background
barrel
benzine
business
can
chemical
container
control
crisis
crude
danger
design
diesel
drop
drum
element
energy
environment
equipment
flammable
flat
fossil
fuel
gas
gasoline
icon
illustration
industry
liquid
metal
natural
object
oil
petrol
petroleum
pollution
power
price
reservoir
safety
sign
stairs
storage
symbol
tank
technology
trade
white