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Droplet sizes and positions at different time stations for the scenario with the facial mask intentionally located at approximately 1.8 cm from the face (Lsd = 1.83 m (6 feet), RH = 99.5%, Vin = 5.5 m/s): (a) face mask geometry, (b) mask filtration efficiencies vs. particle diameter, (c) t = 0.10 s, (d) t = 0.25 s, (e) t = 0.5 s, and (f) t = 1.0.
