A man in a protective suit and gloves poured face masks on an automatic machine

n95 covit19 ffp1 ffp2 ffp3 folding gluing process technology production protection face mask employee making making masks mechanical worker workers facial mask manufactory manufacture machine product production line respirator conveyor belt technician sterile corona virus infection industry coronavirus factory covid19 machine pandemic white white blue face mask factory flu industrial uniform work conveyor equipment manufacture manufacturing medical mask quarantine virus