Firefighters use a tool known as a Pulaski.
Its a combination of an ax and hoe used to dig a fireline.
A fireline is a strip of land from which all brush and debris have been cleared to rob a wildfire of its fuel.
Firefighters also use hotshots and smoke jumpers to clear a large path in a big circle around the fire so the blaze is contained in a ring of dirt.
When the fire reaches this area, it runs out of fuel and starves to death.
If the fire is too large, however, planes and helicopters fly overhead, dropping water and special chemicals that smother the flames.
This pink, fire-retardant chemical is called sky jell-o.
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