Introduction

Today's problem of the world is environmental pollution by which every people of this world are getting many types of problems in their daily life. This problem is created by the excess use of the natural sources in many criteria of the human needs such as the use of forest products like trees in furniture industries,river products like stones,concrete,sand in many site of construction etc. People of this world uses these products for their benefit frequently but don't have any processes to save these sources by which these sources may destroyed and the balance of the nature may become imbalanced. By this work the poisonous gasses like CFC(Chlorofluorocarbon),Ammonia,Sulphurdioxide etc may increase in the atmosphere and they may carry many problems in our world.