@roddy_fcts: Why did this fire explode the moment the firefighter opened the door? This training demonstration shows a backdraft — a dangerous fire explosion caused when fresh oxygen suddenly enters a sealed, superheated space filled with flammable gases. Firefighters must carefully control ventilation and use techniques such as water fog and hydraulic ventilation to remove heat and smoke before moving inside. #Firefighter #Backdraft #facts #Science

Roddy

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Saturday 29 August 2026 09:22:40 GMT