You don’t even need to weld it, you just need to leave it somewhere in the way and striking it at sufficient speed will result it in bludgeoning through a car o

You don’t even need to weld it, you just need to leave it somewhere in the way and striking it at sufficient speed will result it in bludgeoning through a car or worse. An improperly stored rail from a maintenance project derailed a NYC subway train in 2017: https://apnews.com/article/a6a01e5928f9478bab0d33f03260870e https://apnews.com/article/a6a01e5928f9478bab0d33f03260870e