Useful, 1, if the lid is broken, then don't think about finding a seller to make the lid again. After all, "three pots are not as good as one lid."

2. Gold and silver. That is, wrap the damaged parts with silver or gold, or repair the cracks with silver nails. The advantage of this repair method is high cost performance. Generally, if it is not particularly serious, the maintenance price is not expensive. The disadvantage is that the repaired part looks a bit obvious.