Let's talk about the difference between the two buttons on the toilet.

There are two buttons on the toilet, one is half water and the other is full water.

The official name of the toilet is toilet, which is a covered bucket for defecation. The invention of the toilet is called a great invention, which solved the problem of people eating and drinking Lazar. Later, it evolved into a toilet using siphon, spiral siphon, and now the latest jet siphon and super spiral siphon. Some people think that the toilet is the root of all evil, because it consumes a lot of domestic water. There are many kinds of toilets, including split toilets and conjoined toilets. With the development of science and technology, many novel varieties have appeared.