हिन्दी
Scientists develop self-disinfecting, biodegradable face masks to combat COVID-19, which is also much breathable and washable.
Indian scientists develop a self-disinfecting antiviral mask.
Scientists develop self-disinfecting, biodegradable face masks to combat COVID-19, which is also much breathable and washable.
antiviral mask mask biodegradable mask CoronaVirus Covid 19 India COVID19 environment friendly Mask self disinfecting washable
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