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 railway history. The Janney automatic coupler automatically connects cars, absorbs shocks during movement, evenly distributes the load throughout the train, and helps reduce the risk of derailment. It is a simple engineering solution that

Detik-detik Lift Barang Jatuh Tewaskan Montir Bengkel di Solo, Sempat Terdengar Teriakan Pilu#TIKTOKBERITA #SURAKARTA