Kwigalufa, iiklabhu zegalufa yiseti yezixhobo ezisetyenziswayo ziquka iinkuni, iiayini, iiweji kunye neeputters. Umgama wabo wokubetha ohlukeneyo kunye neemeko zekhosi zenzelwe ukuba abadlali begalufa babethe ibhola emngxunyeni. Iklabhu nganye yenza umsebenzi owahlukileyo kwaye ineengile ebethayo eyahlukileyo; kungoko, abadlali begalufa bahlala bekhetha iklabhu efanelekileyo ngokuxhomekeke kuyilo lwekhosi kunye nobuchule bomntu. Izixhobo ezibalulekileyo kwigalufa, iiklabhu zegalufa zichaphazela ngokuthe ngqo ukusebenza kwabadlali.