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Anonymous users2024-01-24(1) As can be seen from the figure, the device uses the knowledge of lever and buoyancy; (2) p= gh=105Pa, the distance from the water inlet to the water surface of the water tower: h=p g=105Pa1000kg m3 10N kg =10m; (3) p=FS, the pressure of the piston by water: F=ps=105Pa 2 10-4m2=20N; (4) The force of the piston on the B end of the lever FB=20N, and the minimum float of the buoy is set.
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Anonymous users2024-01-23Where to buy a hand-washing water storage squat urinal.
Girls love cleanliness and wash their hands when they feel dirty.
Infrared sensing, after sensing that an object appears and disappears, it will generate a signal to trigger the flush.
<> there are already 1,000 billion bacteria per 1 gram of stool, and if you don't wash your hands properly after going to the toilet, you can pollute the environment or the people around you, and get sick from your mouth at any time. The source of infection of Enterobacteriaceae is often feces and other excrements, and if it is contaminated through various ways and transmitted to humans, it can cause gastrointestinal discomfort symptoms such as nausea, and even death in severe cases. >>>More
Don't wash your hands after going to the toilet.
Toilet don't wash their hands >>>More
It's a little clean, it's psychological, just pay attention.