"Riveting is a nail-like object, which is a fastening composed of a head and a nail rod. One end cover: In riveting, the riveted parts are connected together through their own deformation or interference. There are many kinds of rivets, and they are irregular. Removing rivets is a troublesome thing. At present, there are two convenient methods: one is to drill off the flanging end with a drill. The second is to take a file to knock off one end of the flanging and flatten it.