Refrigerated yeast and yeast are place in the fermenting tank for fermentation. Yeast coupled with sugar is shaped during cooking to type alcohol and CO2. Odor compounds for beer are made by yeast in this period.Vì ?i?u ki?n khí h?u kh?c nghi?t, c?u ph?i t? khuy?n khích b?n thân b?ng cách áp d?ng l?i s?ng b?n n?ng, làm m?i th? c?n thi?t ?? t