Content
@
0 reply
0 recast
0 reaction
farshad š š©šš®š¹
@farshadtrader1
Who invented the first mask? Dr. Wu Lien-teh In response to a pneumonic plague in Manchuria and Mongolia in 1910, Chinese-Malaysian epidemiologist Dr. Wu Lien-teh greatly improved on the designs he had seen in Europe to develop a face mask of layers of gauze and cotton that would protect both the wearer and others.
10 replies
1 recast
10 reactions
Maede š š© š®
@maedesarabi
Is this for real? This is ancient mask? š
0 reply
0 recast
0 reaction
