Lack of masks and the invention of new masks

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N95 respirators and surgical masks (face masks) are examples of personal protective equipment that are used to protect the wearer from airborne particles and from liquid contaminating the face.

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Azar Hekmat-Shoar

Azar Hekmat-Shoar, whose real name was Azar Taj Dehghani, was born in Tabriz in 1314 …

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