Idivayisi yokomisa ngeqhwa elingena umoya iyithuluzi elisebenzisa ubuchwepheshe be-vacuum nobuchwepheshe bokuqandisa ukuze kufezwe ukuqandisa nokukhuphuka kwezinto ezomile. Isetshenziswa kabanzi emalabhorethri, emikhakheni yezemithi, yokudla kanye neminye imikhakha, futhi ilungele ukumisa izinto zokusetshenziswa eziphezulu zemithi, izingcezu zamakhambi esintu, ukudla kwasolwandle, imifino yasendle, imifino eyomisiwe, ukudla, izithelo, izinto eziphakathi nendawo zamakhemikhali nezinye izinto.