There are many factories. The factory will leave smoke damage came out to air pollution cause air. Impact to the public caused symptoms of respiratory tract He wants to keep control of these factories.
There are many plants Plant will exhaust into the air. Cause air pollution Affect the symptoms of the respiratory tract. The President wants to control these plants.
There are many factories, the factory will release the smoke out into the air, causing the waste air pollution. Affect people's illness of the respiratory tract. Want you to go to control these factories