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When you wash the closestool with its lid opening, the immediate cyclone out from closestool would carry the bacteria or microorganism up to nearly 6 meters in the air, and they would stay in the air for several hours, then fall onto the wall and other articles. However, only few people know this problem, this design can help us to solve this problem. In this closestool, the lid is very the flush handle, which will not work before you close the lid after using the toilet. On this occasion, people will cultivate a good habit to avoid being sick caused by bacteria.