English1. In fact, the biggest function of this board is to seal the water, so that the water cannot penetrate into the place we want to protect, so as to ensure that the core part of the board will not be soaked by water. There are many ways to deal with it. , such as our commonly used seals in waterproofing, sealants, or special designs to keep water in places where it cannot penetrate.
2. The other is to have a sufficient drainage system. When there is too much water in the plug, this auxiliary structure can be used to drain it quickly, so that there will not be too much water that cannot be drained.
3. There is a very simple waterproof plug board on the market. It can only play the role of preventing water. Its function is to connect the plug and the socket together, so that a closed circuit can be formed, even if anything is plugged into the socket. It will not cause any damage to the body. This board has a vent hole on the bottom.
