Correct use of lead-acid batteries

(1) Do not short the battery. When the positive and negative electrodes of the battery are electrically contacted by an external substance, the battery is short-circuited, for example, an unpackaged battery placed in a pocket may be short-circuited by contact with a metal material such as a key or a

How to choose a tester

The radon detector uses a patented diffused photoelectrode tube to measure helium concentration. The instrument operates on AC power and can also be powered by a backup battery. Universal data interface to download measurement data reports to your computer. The instrument is equipped with

Dongfeng’s output exceeded 12,000 in February

It is reported that the automobile branch of Dongfeng Motor Co., Ltd. produced 12,548 cars in February and accumulated more than 20,000 cars in the first two months. Since the beginning of this year, the automotive subsidiary has focused on benchmarking, established a benchmarking system for benc

· School bus market 400 million cakes to be divided

On March 28, 2012, Premier Wen Jiabao of the State Council presided over the State Council executive meeting to review and approve the "School Safety Management Regulations (Draft)" in principle. Premier Wen pointed out that it is necessary to pay close attention to improving school bus s