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Literacy knowledge, toilet evolution history
1596, the British aristocrat John Harrington invented the first practical toilet-a wooden seat with a water tank and a flushing valve.
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.
19 14, Qixin Ceramics Factory (the predecessor of Tangshan Ceramics Factory) opened by the British made the first ceramic toilet in China.
In Shanghai in the 1930s, at dawn, many people would rub their eyes, carry toilets and walk out of the house in turn. Then, there was a long line in front of the public faucet.
In 1960s, flush toilets became popular in Europe and America, and later spread to Japan, South Korea and other Asian countries.
It was only seen in hotels in Beijing in the early 1980s, and now it is also used in toilets in Beijing.