Ho kopanya ts'ebetso le ho rarahana, pokello ena e khahla batho ba chesehelang boikoetliso ba mefuta eohle. Li-racks tse ikemetseng li fumaneha bakeng sa barupeli ho khetha, ho etsa hore mekhatlo ea ho hanyetsa e be ea tlhaho le e boreleli. Lithapo tse phahamisitsoeng tsa li-tube mahlakoreng ka bobeli li tiisa hore 'mele o lumellana hantle le tšehetso, ha li-hangers tsa boima ba mahala li fumaneha ka lehlakoreng le leng. Ntle le ho fana ka phapang e ikhethang ea bokhabane e khahlang basebelisi, kaho ea rona ea li-tube tse chitja e pentiloe ka lijase tse tharo tsa electrostatic tse fanang ka matla a tšoarellang le ho tšoarella.