I'm from Zhongjing Family Medicine Bath.

I hope my answer can help you.

Sauna:

Sauna was introduced into China from Europe, and there are mainly two kinds of sauna: dry steaming and wet steaming.

Dry steaming is to straighten the electric energy by using equipment similar to an electric stove to make hot pot without evaporation of water.

Converted into heat energy, hot air does not contain water, so it is called dry steaming. Such as infrared rays