Isitshalo sokucutha izitaya ezikhoyo kuyinto yeqiniso yeqiniso esebenziswe ngokwenzelwa kwezitaya ezikhoyo. Ngokusebenzisa umgangatho wezitaya, izitaya zicatshazwa ukuze kwenziwe ukusebenzisa okuphelele. Isixhobo siyisebenzisa umgangatho wezitaya ophakathi, okwenza ukuthuthukiswa kwezinye izinto ezisabalele kanye nokuguqula izitaya ezikhoyo ukuthola izindlela zokusebenza ezinhle.