> that can be used by ordinary people without error Social media has been great for airline oxygen mask designers as it has shown the failure rates of real wor

> that can be used by ordinary people without error Social media has been great for airline oxygen mask designers as it has shown the failure rates of real world emergencies. I imagine that even with highly trained people like medical staff, the problems of proper PPE usage are just so much worse. People have a really hard time understanding things clearly. https://www.cnbc.com/2018/04/18/passengers-fail-to-wear-oxygen-masks-properly-aboard-southwest-flight.html https://www.cnbc.com/2018/04/18/passengers-fail-to-wear-oxyg...