From the study of the pollution in it. The knowledge and understanding of the toxic air pollutants present. Which we are able to find ways to protect themselves from the pollution caused by it.
From the research on the subject of toxic pollution. To know and understand in terms of the occurrence of toxic air pollution. Where we can find a way to protect yourself from the toxic pollution.
From a study on the subject of toxic pollution, and make knowledge and understanding of the toxic pollution of the air in which we will be able to find out how to prevent yourself from the cause of toxic pollution.