Depends on the size. Small ones might be removed from their housings, and a worker basically crouches inside cleaning it manually with gloves + gasmask. The o

Depends on the size. Small ones might be removed from their housings, and a worker basically crouches inside cleaning it manually with gloves + gasmask. The one advantage of work like that is seeing yourself accomplish something in a known unit of time. The disadvantage is that it is horrible work, compared to sitting and typing and having a vague sense of ennui.