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The water in the water pipe is the same as clean, but the place where the water comes out is different, don't worry, I hope it can help you.
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Generally, it is the same tap water, but there are some simple prefabricated houses that make toilets that may be groundwater.
Water quality and water pressure are exactly the same, they are two pipes separated from one main pipe, both from the main pipe.
If it is water supplied by the waterworks, it will do.
If it is treated with water (reclaimed water), it cannot be drunk. >>>More
This is very simple, the basin stop valve is broken (faucet), the ball core inside is loose or stuck, the hole is not symmetrical, and it is normal to replace it with a new one.
There is no difference between the water in the faucet of the school toilet sink and the water in the kitchen, the water source is the same, it is all tap water, so it is the same, as long as the water quality is qualified, you can drink it by boiling. >>>More
From this point of view, it is not a cleanliness fetish, it can only be said that it is ,-- to be too careful in public places