Why are the toilets made of ceramics?
We have been sitting in the same toilet (or squatting on the same squat toilet for centuries). Sewage pipes are almost hidden from the past, and the seats of toilets are also made in various styles, using different materials. But for the toilet , the material has almost never changed since it was invented for hundreds of years, almost use porcelain materials. But why don’t we replace it with modern synthetic materials? Technology is so developed that we must have better materials than porcelain, with a better appearance and no peculiar smell. But we really don’t have a better material than porcelain. Toilets need to have the following three abilities: First, it must be a flushing machine. Second, it must be waterproof, clean, and hygienic. In the end, it must be strong. Because people are sitting on the toilet , and some people are very heavy. And porcelain, has met the above three requirements. For most users, t...