Fog Cannon Machine: Fog Cannon Machine | 
In Delhi, earlier it was mandatory to install an anti-smog gun on sites with an area greater than 20,000sqm, but now there is a modification in this provision and construction sites with an area over 5,000sqm will also need to install anti-smog guns. For every 5,000sqm increase in area, an additional smog gun will be required,
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