อัปโหลดแล้ว 17 ชั่วโมง ก่อนหน้านี้
Various authorities are framing norms and regulations to reduce the pollution levels in many cities like Delhi. The authorities like the Central Pollution Control Board, National Green Tribunal, Delhi Pollution Control Committee and State Pollution Control Boards have mandated the installation of anti-smog guns at high-rise construction sites.
https://www.greengenra.com/why-high-rise-construction-buildings-sites-need-anti-smog-guns-in-india
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