Ventilatie, Ionisatie of UV licht... alles negeren. Het zou zo maar kunnen werken. "Ushio launches world's 1st UV lamp that can safely kill coronavirus"  https://t.co/JlKCpVIiCB
Ventilation, ionizing or UV light, ... ignore everything. It might just work. "Ushio launches world's 1st UV lamp That can safely kill coronavirus" https://t.co/JlKCpVIiCB
When I don’t know things, I don’t think that I do either. Unknown Unknowns specialist; Interested in those I don’t know I don’t know!
When I do not know things, I do not think that i do either. Unknown Unknowns specialist; Those interested in I do not know I do not know!