air
airborne
apartment
bright
cold
correct answer
covid19
design
door
drawing
efficient
environment
example
floor
flow
good
good example
graphic
health
health care
high angle
home
house
house dust
housing
illustration
indoor
infection
infection prevention
isolated
lifestyle
measures
method
open
open window
pandemic
prevention
real estate
room
simple
space
style
ventilation
virus
white
white background
wind
window
定額
Viruses and methods of efficient room ventilation. If it is difficult for wind to enter through the window, make the entrance smaller so that wind and air will enter vigorously.の素材 [FY310159732412]
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