While in the seventies, researchers identified that specified human-manufactured chemical substances that contains chlorine and bromine could cause the depletion of stratospheric ozone. These chemical substances have historically been used in a number of purposes, from foam-blowing to refrigeration. At the time produced at Earth’s surface, they sooner or later https://ozonegenerators98653.wikipublicist.com/4641818/the_basic_principles_of_generators