In civilized junct society, it is considered polite not to allow the peripheral nageric field perturbations from a Kill event to splash over Simes going about their own business nearby. The insulation of the Killroom prevents affecting other Simes with one's private business.
Gen wore yawal, a clean white smock, collar and chair fastened high on the wall. Gen waits, seated or standing. There is a couch in the room and a coverlet to cover the body after transfer (Kill) and a signal cord to pull to summon the attendant after the Kill.