La risposta è probabilmente molto ovvia, ma perché la parte riflessiva di questi post ben noti è rosso e bianco e non solo un colore? Non ho idea, ma non sono un uomo intelligente.

    https://i.redd.it/k1ylai9bphne1.jpeg

    di thedandytrucker

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    8 commenti

    1. Wenteltrap on

      I think this indicaties a grand route, not sure

      EDIT: just checked and gr has horizontal lines

    2. Main-Touch9617 on

      Cause some people are colorblind and they can’t see red.

    3. AccumulatedFilth on

      You know when you never wondered something, until somebody asks, and you’ll wonder about it for the rest of your life?

    4. ___---_-_----_ on

      Increasing visibility/reflecting by day & night mostly.

      ‘Bermpalen’ as these are called.

      The white versions with bigger reflector used to be a reminder for direction of traffic but think they stopped using them in that capacity long ago

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