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Aroma diffuser, plastic bag offer inexpensive method to test fit of face m
Updated : 5 years, 2 months ago IST
Cambridge [England], December 16 (ANI): Researchers have developed a way to use a simple home aroma diffuser to test whether N95 and other types of sealing masks, such as KN95 and FFP2 masks, are properly fitted, a result which could be used to help protect healthcare workers and the public
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