The study found that the cotton cloth masks filtered out up to 23 per cent of the smallest particle size of 0.3 microns on which the virus can travel.
from Top World News- News18.com https://ift.tt/3AePz1H
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The device would be introduced on Amazon India and its pre-bookings would start on January 15. from Top Tech News- News18.com http://bit.l...
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Business software group SAP forecast flat revenue and a decline in operating profit in 2021, as it released preliminary annual results that ...
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The number of Covid-19 deaths globally has been dropping for the past three weeks from Top World News- News18.com https://ift.tt/uex9Mhf
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