A mobile body is configured to travel an area optionally over a surface inside an aircraft cabin. Components comprise at least one of a UVC protective shield, the shield selectively providing a multisided enclosure that selectively envelopes and/or separates the operator from the UVC in the surrounding environment. A source of UV radiation is mounted to the mobile body and configured to direct UV radiation to the surface at a predetermined dosage. At least two articulated arms are mounted to the mobile body, and UV lamps mounted respectively on the arms. The mobile body is a trolley or cart for negotiating an area optionally an aircraft aisle.