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Go to the relevant hardware and grocery store on the street, buy a wire dredge that specializes in dredging toilets, and twist it yourself.
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It's better to find a professional dredging. It doesn't seem to be reliable.
1.Put the steamed bread into a plastic bag, seal it and put it on the sunny windowsill, and after about (3) days, you will see some (black and green) colored substances on the steamed bread, which is (fungus). If you put the plastic bag in the refrigerator compartment, you will find that (the steamed bread is restored to its original state).
Water can dissolve, but by dissolving naturally (without oscillation), the rate is really slow. >>>More
Plug it with a mop, fill it with water, and stab it hard, and it will pass. >>>More
Hook it out with wire or a dredging machine. If it can't be hooked, it will be so much that the water will be pressed down with a leather ladle, and it will flow into the sewer.
1. Fill some hot water in a basin, the water temperature does not have to be very high, rub some soap and then put two spoons of laundry detergent in it, stir well. It has to be very slippery. >>>More