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flag India launches 'Nano Bubble Technology' at Delhi zoo to clean water and enhance aquatic animal health.

flag Union Minister Kirti Vardhan Singh launched 'Nano Bubble Technology' at Delhi's National Zoological Park to clean water and improve aquatic animal health. flag The 15-day trial aims to remove algae and pollutants, with plans for wider implementation if successful. flag The zoo also uses water sprinklers to combat air pollution and protect animals.

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