Transport Publication - TP 10038 E (2003)
You can "take away" the heat by cooling the fire with water.
You can take away the air by smothering the fire with foam.
You can also take away the air by spraying the fire with carbon dioxide, which removes oxygen.
Spraying the fire with a dry chemical will break the chain reaction that causes a fire to spread – one way of "taking away" the fire from the fuel.