Why is the social security card always broken?

The reason for degaussing is that it was destroyed by electromagnetic radiation.

Cell phone radiation is one way, and there are many other possibilities, such as computers, stereos, televisions and so on. See if there are any appliances near the drawer.

I put it directly in an iron box, which can shield electromagnetic waves. Such as biscuit boxes, bank cards and other magnetic cards. , but also fire, plastic film can also be waterproof, is a superior substitute for safe.