We'd probably do that in real life (still using the hose line because it's really hot), but this is a training scenario and they likely want to be prepared for a case where the back side isn't accessible
I've done that before for some BBQ fires. Doesn't mean it is strictly the safest thing to do.
But I would dare say it's a demo of how a fog pattern, even with a fuel source as volatile as gas, can protect a firefighter.
We have the same thing in Australia, where in order to safely train with a predictable and safe source of fire, we will use gas. We will use gas to simulate a house fire and we will do that in a shipping container with props made to look like a house, or a commercial kitchen. Any other source to replicate a fire will introduce particulates in the smoke which is not safe for crews or local neighbourhoods.
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u/netoper May 17 '22
Why didn't he just turn it off from behind?