Many individuals today have civilized bodies and barbarous souls. Many are blind to the real sights of this world and deaf to its voice. However, no matter how ignorant one may be, he or she cannot disregard the significance of plastics in his or her life. Although they were not recognized as such, many materials used centuries ago for clothing and elements of construction, were natural polymers based on starch and cellulose. Then, ever since …showed first 75 words of 833 total…

…showed last 75 words of 833 total…