The role of dust-proof nets on construction sites: Covering the ground with dust-proof nets on the construction site will reduce the formation of a large part of the dust, which plays a vital role in the control of air pollution. The Environmental Protection Bureau now requires the earthwork accumulated on the construction site to be covered to prevent sand blowing. Now most large cities have this requirement. The exposed construction waste should be covered with a soil net to prevent the dust from being blown by the wind and reduce atmospheric particulate matter. Pollution.