What is GPS?

A few days ago, Beijing voted to eliminate all taxis before the 2008 Olympic Games, stipulate the color of the replaced models and car bodies, and emphasized that all vehicles with new license plates and new operating procedures must be equipped with GPS satellite positioning. Vehicle security syst

Continue Reading

Security term four

7 Test methods 7.1 Inspection of design requirements 7.1.1 Operation test The inspection shall be carried out by visual inspection and normal operation. The inspection results shall meet the requirements of 5.1.1 and 5.1.3. 7.1.2 Check the handle and handle to select a test sample lock, lock the b

Continue Reading

How to select, analyze and evaluate home anti-theft alarms

With the progress of society, people's living standards have gradually improved, and the importance of family property and home safety has also been increasing. In the process of social commodification, some unstable factors brought about by the transformation of the social system are also incr

Continue Reading

Stairs Tile Laying Methods and Precautions

With the continuous improvement of people's living conditions, the spatial structure of the living room is becoming more and more humanized. The residential, leaping, split-level, and villas of the double-architecture are constantly emerging around us. Under this trend, stairs are becoming an

Continue Reading