Showing 28 of 28 videos
video thumbnail
0:55

This Beijing Television segment introduces four categories of masks and situations where they're most useful.

video thumbnail
1:11

Guests on this Beijing Television segment demonstrate how to put on masks properly.

video thumbnail
1:13

Guests on this Beijing Television segment demonstrate how to remove and dispose of masks properly.

video thumbnail
0:59

A guest on this Beijing Television segment explains under which situations you can or cannot reuse masks.

Showing 28 of 28 videos
Video not assigned to a class

Are you sure you want to delete this comment? You will not be able to recover it.