Swiss researchers working on transparent face mask for medical workers, mass market
The traditional face mask could be replaced by a more friendly version that shows a person’s face.
Read More: https://ift.tt/2UGjAEy
Swiss researchers working on transparent face mask for medical workers, mass market
The traditional face mask could be replaced by a more friendly version that shows a person’s face.
Read More: https://ift.tt/2UGjAEy