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1. The leak in the bathroom can be tested first, which is usually caused by the imperfect concrete and improper waterproofing of the floor drain pipe. If it is due to this reason, the best way to leak water is to fill the annular groove around the leaking floor drain with cf-2000 cement-based waterp

1. After using for a period of time, the door handle is prone to loosening. If you call a professional maintenance worker to repair it, a fee will be unavoidable. It's better to solve it by yourself at home, just adjust it tightly.2. The specific method is very simple. First, unscrew the cover outsi

1. Those who don't let in can't come in (anti-theft)One of the most basic solutions for home protection and anti-theft measures is anti-theft. In the past, traditional window locks had the anti-theft effect only when the windows were closed. Scientific home protection anti-theft facilities require t

The broken door handle needs to be removed. Normally, the door handle of the anti-theft door needs to be disassembled on the inside side of the room. Just use a screwdriver to unscrew the screw that fixes the door handle. Ordinary cross A flower screwdriver can be effective, and most households wil