Let's inform them.
Public address loudspeaker
#Faceshields without #facemask are not effective in #COVID19 prevention.
#Faceshield is not a fashion accessory & must be combined with a mask to provide significant protection.
Face shield protects only the face but #facemask curbs the spread of respiratory droplets.
https://mobile.twitter.com/Fmohnigeria/status/1276417926388645888
source http://www.nairaland.com/6013956/proper-way-use-face-shield-face-mask
