Scientist Jan Prochazka invented a unique functional coating that reliably kills viruses and bacteria withoutchemicals, using instead the mechanical... read more
Ozone is a poisonous gas that damages the lungs (https://www.lung.org/clean-air/outdoors/what-makes-air-unhealthy/ozone), so its presence in the inhaled air is very... read more
Desinfekční prostředky na nás doslova číhají na každém kroku.
Nepřerušovanou školní výuku však dokážeme zajistit i bez jedů ve vzduchu.
Kde... read more