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Find the fault point and deal with it. Re-power. "It's best handled by electricians and people who know electricity".
Install a water pump controlled by a level switch, which we used to install in the underground pump house to prevent the underground pump room from flooding. Pay attention to prevent leakage.
Good wind, good water, good luck, don't talk nonsense. You can only go to your house to observe, respect the former system, prevent if you can prevent it, follow it if you can obey it, and ask for peace and wealth!
Wine cellar and storage can be used, but it is troublesome to do kitchen sewer and moisture-proof and smoke exhaust projects.
Sincere suggestion:
It is recommended to open a restaurant in the semi-basement, and sell Buddhist supplies on the first floor. >>>More
Find out the reason first. I don't know what kind of drainage pipe your building uses, if it is a cast iron pipe and it is more than ten years old, it is likely that the pipe below the first floor has corroded. >>>More