It is not whether you can but whether you have a safe and sterile procedure to do so. Wearing mask is symbolic and protect both sides a bit. But as said it is

It is not whether you can but whether you have a safe and sterile procedure to do so. Wearing mask is symbolic and protect both sides a bit. But as said it is also meant if you touch the germ on the mask etc. you still can be infected. Now how are you going to protect yourselves if you reuse your mask and what procedure involved, if it can be recycled.