Caused by humans, such as the use of four vehicles, na. Burning fuel. The production process in industry, which is a major cause of carbon dioxide. Sulphur dioxide, as well as the small dust and lead compounds.
Caused by humans, such as the use of sky for me. Burning Fuel Industrial production Which is a major cause of the carbon monoxide. Sulfur dioxide Including small and leaded dust.
Caused by humans, such as drug use, quality, fuel combustion process in the factory. A very important cause of formation of carbon monoxide gas, sulphur dioxide and particulate matter and lead.