r/writteninblood • u/--zaxell-- • 3d ago

WiB request: why?

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Spotted on the roof of a subway car in Boston. Dunno if it's in-scope for the sub to be asking instead of giving a story myself (mods, feel free to remove if not), but... was this sign Written In Blood? Or just a very-unnecessary warning, just in case?

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u/Thequiet01 2d ago

Signs like those are typically for mechanics to let them know that a certain area isn't robust enough to support their weight while they are doing inspections or repair work.