‘Smart’ face masks promise high-tech protectionBBC Click’s Lara Lewington puts some “smart” face masks to the test.http://feeds.bbci.co.uk/news/technology/rss.xmlBBC News – TechnologyBBC News – Technologyhttps://news.bbcimg.co.uk/nol/shared/img/bbc_news_120x60.gifTechnology124
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