Background: The sun is a natural source of electromagnetic radiation. upon which are found the ultraviolet (UV) rays. where only the types A and B are able to irradiate over the surface of the Earth in different proportions. Although the sun helps human skin in the formation of vitamin D. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/showman-34-x-36-x-3-4-teal/