Answer:
Petroleum is used for fuel, as well as many chemicals and medicines. It is also used to make crucial items, such as heart valves, contact lenses, and bandages. Oil reserves are important for improving countries' overall level of jobs and business. Oil is a non-renewable resource. What are petroleum products, and what is petroleum used for? Petroleum products include transportation fuels, fuel oils for heating and electricity generation, asphalt and road oil, and feedstocks for making the chemicals, plastics, and synthetic materials that are in nearly everything we use.
The commercial sector uses natural gas to heat buildings and water, to operate refrigeration and cooling equipment, to cook, to dry clothes, and to provide outdoor lighting. Some consumers in the commercial sector also use natural gas as a fuel in combined heat and power systems.
