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https://www.scconline.com/blog/post/2020/06/19/del-hc-pictorial-representation-of-when-and-how-to-wear-a-mask-during-covid-19-times-to-be-publicised-through-print-and-electronic-media/
Del HC | Pictorial representation of "when and how to wear a mask" during COVID-19 times to be publicised through print and electronic media