Abstract: The disclosure relates in particular to an apparatus for disinfecting at least one room, in particular for one or more persons, preferably a dwelling space or treatment room, for example a treatment room in a building, in particular a sickroom, a patient room and/or an operating theatre, by means of an atomiser. Specifically, the apparatus is characterised in that the atomiser includes a rotatable bell cup for atomising a disinfectant into the room. The disclosure relates to an associated method and furthermore to the use of a bell cup for atomising a disinfectant in a room for, in particular, one or more persons.

Abstract: A reactive target retention device preferably includes a flat sheet with at least one cutout pattern. The cutout pattern includes a target opening, two opposing tabs and an inner tab is formed in each opposing tab. An alternative reactive target retention device preferably includes a flat sheet with at least one cutout pattern. The cutout pattern includes a target opening, at least two partial cutouts and at least two projection tabs. A final reactive target retention device includes a flat sheet, a target opening and at least two retention clips. A target sheet support device includes a pair of post members and two horizontal support members. An alternative target sheet support device includes the pair of post members and at least one horizontal support wire. Another target sheet support device includes flat sheet having an outer shape of an animal and a pair of support posts.