the.com/respirator
a machine that breathes for you while reminding you how miraculous doing it yourself is
polio bornIron lungs saved thousands during 1900s polio epidemics
negative pressureIron lungs sucked chests open instead of pushing air
N95 nameBlocks 95 percent of airborne particles, hence the number
longest userOne man lived in an iron lung over 70 years
facial hair foeBeards break the seal and ruin respirator protection