Smog is air pollution as a result of the North and of burning or incomplete combustion is the origin of the air pollutants that are embedded with tiny dust particles that when into the lungs. Unable to drive it out. There are many types of pollutants, the group most organic compounds are called third-party click Recycle polymer rose matik (Polycyclic Aromatic Hydrocarbons) are hydrocarbons that are often referred to as the p-h or pha (PAH), which are sarotmachik not less than ten kinds are carcinogens and virtually all of the type substance that remains in the environment for a long time. Do not disintegrate easily.
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