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toktarstory(@toktarstory). оригинальный звук - toktarstory. WHY DOES ONE OF THE SAFEST COUPLINGS IN HISTORY LOOK SO UNRELIABLE? 🤔🤯 At first glance, it seems like this railroad coupler is about to fall apart. But it is precisely thanks to this small amount of play(looseness) that it became one of the safest designs in ...
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