Ventilation method in the room, bad example. Opening a nearby window is inefficient because it results in ventilation in a narrow area. premium vector by MakotoHara

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white vector graphic illustration design space isolated bright environment air wind health style open cold flow house window indoor home lifestyle simple room drawing door floor bad apartment virus housing prevention airborne example method pandemic infection ventilation measures mistake inefficient white background real estate health care high angle open window bad example coronavirus house dust infection prevention covid 19

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