What does it take to build those masks from scratch? We are at roughly 1 out of 100.000 being infected. Until 60% have developed immunity, there is still a lon

What does it take to build those masks from scratch? We are at roughly 1 out of 100.000 being infected. Until 60% have developed immunity, there is still a long way to go where almost everybody on earth will want to own masks. The need of the hospitals is just the tip of the iceberg. Is it possible to source the machines and materials now to be ready for production when the wave hits really hard?