those with Koorsen provided a demonstration of how to use a fire extinguisher using the P.A.S.S. method. P.A.S.S. stands for Pull the pin, Aim the fire extinguisher, Squeeze the handle ...
He realized the material — known as cellulose nanofiber or biogel — had all the right qualities to be an effective fire extinguisher ... put on a demonstration Tuesday morning at the Process ...
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