Five pairs of shoes

“One, two and three, hard!”, as the deputy chief of the Wuxi Railway’s depot maintenance department happily spoke, the axlebox of the first round of the Shaoshan 6B 1108 electric locomotive steadily meshed. "Hold up the bolts!" When he was happily using his legs to pres-----

How to effectively prevent static electricity in winter

In the cold, windy and dry winter, we often encounter various static electricity phenomena in our daily lives. In fact, static electricity is a substance. When dry weather occurs, chemical fiber textures such as underwear, carpets, cushions, and wallpaper can generate static electricity. In addition-----

Self-priming non-clogging sewage pump maintenance

Doing a good self-priming non-clogging sewage pump maintenance, not only can extend the life of the pump, but also to ensure that the pump can be used in an emergency. So in use, how to maintain the pump? With this question, the following is about self-priming non-clogging sewage pump maintenance m-----