Small particles of respirable dust can directly enter the lungs and affect human health. Respirable dust can remain in the air for a long time, causing harm to human health over a large area and for a long time. There is a cumulative effect.

Large dust particles settle quickly and fall on the ground, tables, clothing and other surfaces, affecting people's quality of life.

Dust falls on the leaves of crops, affecting photosynthesis and causing reduced yields.

Dust falling on fruit trees will affect the quality of the fruit and cause certain economic losses.

Dust enters the machinery and increases mechanical wear.

Toxic and harmful gases can affect the health of humans, animals and plants, and have a wide range and long duration.