1778, the British inventor Joseph Brame improved the design of the toilet, using three ball valves to control the water flow in the water tank and a U-shaped elbow.
/kloc-in the 20th century, the British government issued a law stipulating that every household must be equipped with an appropriate sewage treatment system, and toilets began to be greatly improved.
186 1 year, Thomas Kleppa, a British plumber, invented an advanced water-saving flushing system, and waste discharge began to enter a modern period.
1885, thomas tew Weaver obtained the first patent of all-ceramic toilet in Britain, and dozens of improvement patents have been awarded every year since then.