In summary, Chiang Rai province, most of it enough to know how to prevent smog. By being in the House and put a mark off the mouth to prevent pollution, and to inhale into. This is just to take care of protecting oneself from smog. There are also other suggestions, such as reducing waste of agriculture such as straw or leaves, etc. From the smog problem if most people know how to prevent this from happening, and why that happens, how do I deal with it themselves.
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