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Anonymous users2024-01-23You should find a professional dredging company, using acid is a mistake, if it is not a full glaze, it is easy to burn, and the dredge of a professional company is powerful, you can break or break the comb, it's fine.
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Anonymous users2024-01-22Using concentrated hydrochloric acid will corrode some of the iron, which is dangerous. Three for the company, if you don't get through, you will charge some fees, but if you don't know how to get through, you won't be able to get through.
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Anonymous users2024-01-21With a universal manipulator.
It's time to put your mechanical design and machining fundamentals to the test!
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Anonymous users2024-01-20No, corrosion, you can get it with your hands, because it won't sink too deep, don't be afraid of getting dirty
1.Dun cloth method: use mopping the floor of the dun cloth. >>>More
With a toilet pump, you can buy it for about 10 yuan, which is a semi-circle of rubber, which is sold in shopping malls.
(Try) 4Prepare a pump first, wrap rags around it, then pour some water into it and start pumping it up, and it's OK for a while (you can try) 5You can buy a bottle of oxalic acid, pour it into the toilet before going to bed at night, soak it overnight, and in general, the effect will be very obvious the next morning. >>>More
The easiest way is to add appropriate water to the toilet, and with the help of a certain force of water, press the leather bowl at the mouth of the toilet. >>>More
Dear, hello, glad to answer for you, the stool you can try to use compressed air to disturb the aircraft, a knife or pliers to grab the comb, or ask the installation or maintenance personnel to help you solve this problem.