• NABDad@lemmy.world
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    2 days ago

    My guess is that it probably doesn’t predate automobiles.

    I’ve never seen that particular phrase used in other legitimate situations.

      • NABDad@lemmy.world
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        2 days ago

        I’m my experience, those signs say something like, “Caution: Wet Floor”. You don’t put up a sign saying “Slippery When Wet” for something that is only wet when you clean it.