How did people use oil?

Historically, people have used oil for a variety of purposes, including lighting lamps, heating homes, and lubricating machinery. In ancient times, natural oils from plants and animals were utilized for cooking and medicinal purposes. With the advent of the industrial revolution, petroleum oil became crucial for fuel in transportation, powering engines, and generating electricity. Today, oil is a key component in numerous products, from plastics to cosmetics, highlighting its versatility and importance in modern life.