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The technical principle of fingerprint lock refers to the uneven line of skin on the front of the finger. Although a fingerprint is only a small part of human skin, it contains a lot of information about the pattern. Breakpoints and intersections are different and are called features in information


20

2022-09

Ball lock science Recognition installation and maintenance of ball locks

The spherical lock is named spherical lock because the inner and outer handles (lock handles) are spherical. Ball locks are very common in our life scenes, such as bedrooms, bathroom doors, etc. If they are damaged, how to install and maintain them in daily use?The first step of installation: Accord

17

2022-09

How to clean and maintain clothes hooks

The smoothness of the veneer surface is not the most important, the important thing is that it must not be breathable. Such as cracked tiles. It is difficult to stick firmly. Avoid scratching the surface of the product with hard objects, and do not wipe with rough cloth. Do not use in contact with o

29

2022-08

Handle replacement and repair of household plastic steel windows

The door handle of the plastic steel window will be broken after a certain period of time. The editor will teach you how to replace and repair the handle of the household plastic steel window.First check to see if the handle of the window is loose or not at all. Open the back cover of the handle and

26

2022-08

Hinge is the guarantee of a good wardrobe

Many friends need to buy a wardrobe when they are decorating at home, not only wanting it to have a good-looking appearance, but also hoping that it can withstand use. But if you want to meet these two requirements at the same time, the hinge plays an important role.Hinges play an important role in

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