That said, using masks in bricks, concrete, and even asphalt is a great way to give disposable masks a second life. Before they become part of construction materials, there are also many other ways we can recycle or upcycle masks into useful products.
www.nytimes.com/2021/02/09/world/what-to-do-with-all-those-disposable-masks-turn-them-into-roads-researchers-say.html