@railway_everywhere: How do they weld railroad tracks together? 🔥 Thermite welding = pure engineering magic! Molten iron at 3000°C+ flows in, aluminum spills out, then grind it smooth… insane process! 😱 #Railroad #ThermiteWelding #Engineering #Satisfying #HowItsMade #ASMR #Viral #trackrepair #tiktokusa #CreatorRewards