Look at the consequences of a pump without a check valve:

The sudden change in the flow of the water in the pump outlet pipe due to valve …

Biometrics technology is currently the most convenient and safe identification technology. It does not need to memorize complicated passwords, nor does it need to carry keys, smart cards, and the like. Biometrics technology is closely linked with high-tech means such as computer and optics, ac…

Although it coincides with the Dragon Boat Festival holiday, the 21st Guangzhou International Lighting Exhibition, which opened on June 9, is still crowded. However, as the LED lighting industry enters a mature stage, whether it is a multinational giant such as Philips or Osram, or a domestic l…

Japan JFE Steel will integrate the core system of all production bases in Japan, including the four steel mills. It will invest about 70 billion yen by 2022. Will operate a unified system of different bases. Under the circumstance of uncertainties in the world steel market, it wi…

The battery of the sewer truck is used by the vehicle to start the engine and provide additional power to the engine, lights, and accessories. Sometimes it also supplies power …

In the 21st century, CNC machining, as a typical technology for advanced manufacturing, should reflect the scientificization and service of information technology in accordance with the globalization of the market, the fierce competition, the individualization of demand, and the humanizatio…