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</html><thumbnail_url/><thumbnail_width/><thumbnail_height/><description>DE VOORDELEN VAN VERTICAAL VENTILEREN Al jarenlang wordt er gehamerd op het belang van een goed binnenklimaat in scholen, voor het welzijn van leerlingen en personeel. Sinds de uitbraak van de pandemie lijken meer en meer scholen ook daadwerkelijk extra maatregelen te nemen. Een sys&#xAD;teem dat nu rap aan populariteit wint, maakt gebruik van verticale [&hellip;]</description></oembed>
