non-Cambridge native here. wtf is this?Submitted by FlimsyRaisin t3_10n1d4b in CambridgeMA
Master_Dogs t1_j69kyvd wrote
Reply to comment by cherry-popsicle in non-Cambridge native here. wtf is this? by FlimsyRaisin
It's basically a caution sign. Firefighters can enter, but use caution.
An X is more severe. Firefighters should only enter if absolutely necessary, like to save a person inside. Otherwise firefighting occurs from the outside only.
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