Petroleum products are everywhere around us. They appear in visible forms, such as gasoline, diesel,
kerosene, and aircraft fuels, and in less visible forms over the entire spectrum of industry, such as
automobile lubricants, greases, carbon black for truck tires, bitumen for road building, the waterproofing
in house roofs, feedstock for petrochemicals, synthetic fibers, and plastics. Petroleum feedstock
is used in the manufacture of white mineral oils in eye ointment, hair oils, cosmetics,
petroleum solvents, and pest control sprays....