How to generate natural oil while cooking?

Cooking oils are extracted from plants, animals, or other sources. This extraction process generally starts with crushing the plant material and then boiling it to release the oil. The boiled liquid is then strained through a few different filters to remove impurities before being cooled and filtered again.
याे च्यानल हेरी दिनु भएकाेमा धन्यवाद दिन चाहन्छु ।