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Ventilation made easy
A simple ventilation system removes 90 percent of respiratory aerosols,
which potentially include coronavirus particles, from indoor air
https://www.mpg.de/16075350/1127-chem-ventilation-made-easy-152990
www.mpg.deVentilation made easyA simple ventilation system removes 90% of respiratory aerosols which potentially include coronavirus particles, from indoor air.