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FRRS THE BIG ONE Ch 7 Extinguishers

Teacher: Obi-Wan
Across
Extinguishing agent suitable for use on combustible metal fires (2 wds)
Air__________ foam nozzles are especially designed to provide the aeration required to make the highest-quality FOAM possible
Many dry chemical agents can be mildly _____ to all surfaces
NFPA 10 requires inspection of portable fire extinguisher at least ______ a year
_______ star Class D
Aqueous film forming foam (abbr)
Which method of extinguishing works by excluding oxygen from the burning process
Once the proper extinguisher is selected, you must perform a _______inspection to ensure the extinguisher is charged and operable.
_________square Class B
Once the proper extinguisher is selected you must check to ensure the pressure gauge is in the ______ range.
Down
Portable firefighting device designed to combat incipient fires
Once in position to attack the fire, use the _____ application method (abbr)
_____Triangle Class A
At phenomenon that occurs when mixtures of alkaline base chemicals and certain cooking oils come into contact resulting in the formation of a soapy film
________ circle Class C
A portable fire extinguisher lying on its side is a signal to others that it is______.
How often should portable fire extinguishers be removed from service for maintenance
On multiple marketing extinguishers the ratings for each class are ________, they do not affect each other.