@UK_Engineer_Mat @DavidElfstrom @pieceful9 @Don_Milton @Yukinoguchi Upper room UVGI is used to sterilize the air, not fomites. The air circulates through the upper portion of the room where it is irradiated. The lower portion of the room (including people) is not irradiated.
@UK_Engineer_Mat@DavidElfstrom@pieceful9@Don_Milton@Yukinoguchi Upper room UVGI用于空气消毒，而不是用于杀虫剂。空气在被辐射的房间上部循环。房间的下部（包括人）没有受到辐射。