Petrochemical products and their use
Most of the man-made chemicals you can see everyday are mostly petrochemical products (which are made in small quantities from coal, natural gas, or natural products)
A variety of fuel oil, lubricating oil, paraffin wax, pesticides, plastics, synthetic rubber, chemical fiber
. Use it, it is not a list, you think about the above list of these things, if not the world is what kind of line
