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APCO Fire Service Communications practice test (Questions + Answers) Verified 100% Correct!!.
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Fire, a chemical chain reaction, occurs when which three elements are present in the right conditions? ____, _____, _____ - Answer-Heat Oxygen Fuel Fires are fought from the ____ to the _______. - Answer-Unburned, Burned The Fire Tetrahedron depicts which four factors necessary for fire? - Ans...
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