Izinzile kakhulu futhi inethezekile, ikhwalithi ephezulu yokwakha nezinto zokwakha.Indawo yokuma yamasondo omjaho yenziwe ngensimbi eqinile ye-carbon.I-powder eyingqimba ephindwe kabili emnyama, ukumelana nokungcola.Amaphedi ezinyawo zenjoloba anciphisa ukudlidliza nomsindo.