Currently serving Jasper County Fire Rescue in south Carolina along with Charleston County EMS.
it is not recommended due to the wattage they demand.
Once water supply is adequate and suppression teams are in place ventilation is usually started. Some depts use ventilation as a way to locate the fire by providing oxygen to bring out the hidden hot spots. But generally ventilation are done at the same time.
I am going to try to guess your question. If you are referring to a torching can for setting backfires and a persons pants caught fire quickly, I can only assume there would be a hole in a line. If my guess is not correct rewrite your question please.
Are you planning on going into forestry firefighting?
Mailman (City Letter Carrier)
Are postal workers more disgruntled than other workers?
Lifeguard
Did you ever have to perform CPR or mouth-to-mouth on a swimmer?
Investment Banker
How much can bankers earn in a year?
Fire admin, Emergency Medical, Community Relations, public Safety, Emergency Management. Dependent on what your goal is.
Sounds like you have removed the hazard
It will get you more of an advantage over those that dont
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