Primary Sector: This sector includes Farming, Mining and Lodging and involves the extraction and production of row material. 2. Secondary Sector: Factories come in this sector which process products from primary industries. 3. Tertiary Sector: This sector includes those people who provide services such as: Doctors, Lawyer, Teachers and many more service providers. 4. Quaternary Sector: In the Quaternary sector, people come who are involved in scientific research and development of new technology.