Pull
the pin at the top of the extinguisher that keeps the
handle from being accidentally pressed.
Aim
the nozzle toward the base of the fire.
Squeeze
the trigger while holding the extinguisher
upright. Be sure to stand approximately 8 feet away from the fire. If
you release the handle, the discharge will stop.
\Sweep
the nozzle back and forth at the base of the fire.
After the fire appears to be out, watch it carefully since it may re-ignite!