Because people often urinate everywhere, many lanes in San Francisco, USA are filled with unpleasant urine. In order to put an end to such uncivilized behavior, the authorities have tried to apply special paints on the walls of the "black spots" of urination. The rebound includes most of the liquids such as urine, which can be described as "the way of the other, and the other." According to the report, the director of the San Francisco Public Affairs Bureau, Mohammed Nuru, said that the rebound of the urine wall was coated with ultra-waterproof paint. At present, there are 9 “urethane walls†in the city. Once someone urinates on the wall, they will bounce back to their trousers or shoes. The authorities hope that this measure can improve the situation of urinating anywhere. According to the authorities, the relevant walls also have multi-language warning signs to remind people not to urinate, otherwise they will be at their own risk. There are also many residents who want the authorities to have "urethane walls" in their own buildings. The authorities also said that the cost of wall painting processing is much lower than that of hiring workers to clean the streets. In the future, more "urethane walls" will be set up, and public toilets will be added. At present, the "lighting wall" is also used in the red light district of Hamburg, Germany, to prevent alcoholists from urinating everywhere. Interior Use High Speed Rolling Doors
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According to San Francisco regulations, urinating people can be fined between $50 and $100, but this disciplinary measure is obviously not enough. The city government receives hundreds of complaints every year to clean up urine.