Delhi के 19 साल के लड़के ने बनाया सबसे affordable air purifier, जानें कीमत । वनइंडिया हिंदी

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IIT Delhi develops affordable Covid-19 testing kit

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$68 Diy Xiaomi Air Purifier, Mini Usb Fan Becomes Super Hepa Air Purifier For Home Or Car

Ilang Pilipino, gumagamit ng necklace air purifier bilang dagdag-proteksyon; DOH, walang nakikitang problema sa paggamit ng necklace air purifier pero nanindigan sa hindi pagrerekomenda ng paggamit ng fogging at misting machines

Ilang drayber at konduktor sa Cebu, hindi pabor sa mandatory na pagsusuot ng personal air purifier; DOH, iginiit na hindi nakapagbibigay ng proteksyon ang personal air purifier laban sa COVID-19

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