Study Finds Failure Points in Firefighter Protective Equipment (2 of 2) (IMAGE)
Caption
Opening the door provided additional air to a smoldering living-room fire and caused the fire to increase in burning rate and flames to extend out the doorway, resulting in high temperatures and heat flows that melted a hole in the mask. Pressure sensor (brass fitting that was mounted on the face of the headform) is visible through the hole in the lens.
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NIST
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