The three ways of heat transfer are: conduction, convection, and radiation. To keep the water in the bottle warm, it is necessary to block the three ways of heat transfer from the water to the outside:

Thermos is something that we often use in our daily lives. This time, I will introduce to you how to remove the peculiar smell of the cork when the thermos has been used for a long time. I hope it can help you.

One of the most commonly used methods is to blanch with hot water. You can pour the boiling hot water into a thermos bottle, then close the lid, and replace the hot water after one day, so that the peculiar smell can be removed in two days.

The most common inner pot materials on the market are stainless steel and glass, and many people wonder which one to buy. Next, let's talk about the difference between the two and teach you how to choose.

Disinfection. Before using the new water bottle, it needs to be disinfected. Pour a spoonful of vinegar or tea into the bottle, put it in 80% hot water, and brew the vinegar or tea. Next, pour out the dirty water.

Material preparation: egg shell, white vinegar.