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</html><description>Spr&#xE1;vna technika vetrania je d&#xF4;le&#x17E;it&#xE1; predov&#x161;etk&#xFD;m, ak m&#xE1;te plastov&#xE9; okn&#xE1;. &#x2705; Ka&#x17E;d&#xE9; r&#xE1;no by sme mali vyvetra&#x165; v&#x161;etky miestnosti dokor&#xE1;n otvoren&#xFD;mi oknami po dobu cca 5 min&#xFA;t.</description></oembed>
