Medical Frontliner Test Effectiveness of Different Mask Materials
- Cleared
Occurred on September 15, 2020 / Cebu City, Philippines
Info from Licensor: "From no mask - shirt - cloth mask - surgical - n95 to coppermask. This video shows the importance of a face mask. W..
Location
Cebu City, Philippines
Occurred
not known
Posted By
VINCE DIZON
Posted On
Sep-18-2020