行业知识

为什么要戴头盔?

    在上班, suddenly… Soul flies away… “Why don’t you wear a hard hat when you work?” “NO! 安全帽不是这样戴的!” First look at the production date, 保质期是 2 years Y-shaped chinstrap, 一个在耳前，一个在耳后, 穿上后, 来回摇头几次, so that it does...
11月 5, 2024阅读更多...

铜线和铝线为什么不能连接在一起?

所以铜和铝不宜直接连接. 如果铜铝连接不可避免, copper-aluminum transition clips or copper-aluminum transition joints are required. The electrochemical properties of copper and aluminum are different If they are directly connected, 一旦它们遇到水形成的电解质, 二氧化碳及其他杂质, 将形成化学电池. This is because aluminum is easy...
11月 5, 2024阅读更多...

工厂冒的烟什么颜色最可怕?

路过工厂，看到烟囱里冒出滚滚白烟, it is inevitable to question whether this is polluting the air? In fact, black smoke from a chimney is usually a sign of pollution, but some white smoke is almost harmless, and some pollution is completely invisible. The smoke from the factory generally has the following...
11月 4, 2024阅读更多...