The first problem is caused by emissions of industrial plants. The majority of prachakropriwen are barely affects plant health, and when they do release makmonphit is beyond toleration would be inserted in the air enough.
The first problem is caused by emissions of industrial plants. Most of the population is affected with a little plant. Because the health risks and release a lot of pollutants in the air, it will insert itself.
The first problem is caused by the emission of industrial factory. Most of the affected population the can factory. Because of the very poor health and when let a lot of pollution will be inserted in the air.