So far in our Elite Status Series, weâve covered American, Delta and Southwest. Today, TPG contributor Jason Steele takes us through the basics of United Premier Silver status â how you can qualify for it and maximize the benefits once you earn it. Unless you have a last-minute mileage run planned, itâs probably too late to worry about achieving status during the 2013 calendar year.
backfire - a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path fire - the event of something burning (often destructive); they lost everything in the fire
A backdraft is a smoke explosion.Smoke is the fuel in the fire triangle of a backdraft. The explosive smoke is carbon monoxide(CO). CO has an explosive range of 12 to 74 percent when mixed with air.. The backdraft is an explosion, flashover is not. D. Backdraft explosions can occur during the first or third stage of a fire. Answer_______. 2.