english: If you look at the x-axis of this graph, you'll see that what we commonly want to do -- which is keeping the outdoors out -- we accomplished that with mechanical ventilation.
non_english: Keď sa na tomto grafe pozriete na os x, uvidíte, že to, čo obvykle chceme spraviť, a to je snaha izolovať od nás vonkajší priestor, sme dosiahli mechanickou ventiláciou.