For air pollution in Bangkok and Chiang Mai, Khon Kaen, Hat Yai, the main city. severity clearly have an important reason is that quantity which vehicles increased rapidly. In addition, solid waste issues, both in Bangkok and other cities, as well as the main city and municipal sanitation, urbanization and a germ source as well. It is a problem that affects both the physical and mental health of the people, very much.
การแปล กรุณารอสักครู่..