We will talk first the food which is cooked in our hygienic and unhygienic food because it is cooked in clean place in separate place and it is cooked fully, not half cooked because if the food is half cooked the bad bacterias cause food poisoning which is very harmful to us and our loved one also. But on the other hand unhygienic food which is not cooked on clean place and not cooked in separate you have seen the street sellers of food, they are moving around the villages and in the cities