Usage of “of” Can I use the preposition ”of” as below? Would you please provide the names of the file and the folder?

Yogurt Yeast I have been making my yogurt at my home for about 4 years. At the first time, my aunt living in a small village gave me a cup of yogurt from her homemade yogurt to make mine. I used it, and I kept doing the followings successfully. However, I had to leave from my home for the vacation for a week. Then, I came back, and I tried to make yogurt. But it was failed because the yeast of the yogurt was bad. It made me so sad because I hadn't had an idea about how to make a yeast naturally. After that, I googled it and found one article. Eureka! It was so simple; I needed three things: One cup of chickpeas, one-liter milk, and 24-hours. First, I had to boil the milk, and wait for it to be cool until it was about 40 Celsius. Later, I put the chickpeas into a glass pot, and added the milk. I was waiting for 24-hours for yeast fermentation. The next day, I filtered the mixture, and collected my new yogurt yeast. I used it to make yogurt again. Actually, in the beginning, I didn't believe that it worked. After my yogurt was made successfully, I was so happy.

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