4. Check the condition of the vehicle regularly, replace the filter, change the engine oil on time, and turn off the engine at every stop to reduce the smoke generated by the exhaust pipe of PM2. five<br><br>5. Choose dust suppression products. If you want to build, supplement or repair a house, you should choose products that help to reduce dust, such as high-quality walls or ceilings.<br><br>6. Don't burn garbage and suppress incense spots, because the smoke generated by burning will not only increase toxic dust, but also reduce the risk of fire before drought.
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