In learning by doing, teachers must strive to let go of their worries and concerns to create a space for students to be the ones who actually do the work, try and make mistakes (Learning by doing) at every step.
Sato refers to a type of rice wine made by passing rice through the Sato production process, and it has an alcohol strength of no more than 15 degrees/percent by volume.
The Sato production process refers to fermenting various types of rice with mold and yeast or starch balls to convert starch into alcohol, which is fermented for a while. Then, clean water is added in an appropriate ratio, and there may be the addition of white granulated sugar suitable for fermenting Sato. It is fermented for another period to achieve the desired alcohol strength.