What are the two types of fermentation? How do the products differ?

Two types of fermentation is one, alcoholic fermentation and two, lactic acid fermentation. The products differ because one, alcoholic fermentation is the type of fermentation in which ethyl alcohol is the main end product. This is very common in yeast, and other bacterial productions. But two, the lactic acid fermentation is solemnly based of acidity to the lactaid upon a human being.