Amabhokisi wamaphasi ayingxenye yohlelo lwenhlanzeko evumela ukudluliswa kwezinto phakathi kwezindawo ezimbili zenhlanzeko eyehlukene, Lezi zindawo ezimbili zingaba izindlu zangasese ezihlukene ezimbili noma indawo engahlanzekile nendawo yokuhlanza, Ukusetshenziswa kwamabhokisi wamaphasi kunciphisa inani lomgwaqo futhi ngaphandle kwendlu yokuhlanza. okusindisa amandla futhi kwehlise ubungozi bokungcola. Amabhokisi amaphasi avame ukubonakala kumalabhorethri oyinyumba, ekukhiqizeni izinto zobuchwepheshe. izibhedlela, izindawo zokukhiqiza imithi, izindawo zokukhiqiza ukudla neziphuzo, nezinye izindawo eziningi zokukhiqiza nezocwaningo ezihlanzekile.