Welding Soldering Machine,Cloth Cutting Laser Machine,Welding Machine,Spot Welding Machine Kunshan Bolun Automation Equipment Co., Ltd , https://www.bolunmachinery.com"The hot water has a low hardness and is good for cleaning." This is the knowledge of textbooks in junior high school. In addition, many people have always felt that hot water can be used to brew the washing powder, and the full foam can be used to wash the clothes. But in fact it is not the case, after the EP Xiaobian search found that whether it is from the washing powder