Does the winemaker teach winemaking to be clean and hygienic?

Brewers tread with their feet to make the wine clean and hygienic.

On the surface, the process of stepping on qu is not complicated, that is, stepping on raw materials and qu with your feet, but in fact there are many stresses in it. First of all, in order to ensure the full fermentation of grain, distiller's yeast should be fully mixed with grain. Fermentation itself is a process of microbial action, so it is necessary to ensure good sealing, humidity, temperature and other conditions, while the trodden distiller's yeast should be turtle-backed, with a low middle and high sides. Therefore, from these conditions, the adoption process is simple but requires care.