How to use the mask against Covid-19 correctly from Moscow journalist... 21,659 views 5 years ago 8 seconds Uploaded by COUB TV Related videos 4:13 3:52 0:10 4:26 2:57 3:46 0:10 5:58 0:42 0:36 0:10 0:10 0:10 0:10 0:10 0:10 0:10 0:10 0:05 0:10 0:10 0:10 0:10 0:10 0:06 0:10 0:10 0:10 0:05 0:05 0:10 0:10 0:06 0:10 0:04 0:10 0:14 0:08 0:10 2:00 0:07 0:16 0:10 0:10 0:10 0:08 0:10 0:05
