Ngokuhambisana nezidingo eziyingqayizivele kanye nezici zobungozi zamasimu kawoyela, indawo esukela kumamitha angamashumi amathathu ukuya kwamashumi amahlanu ukuzungeza umthombo ithathwa njengebucayi.
Nokho, ngokwenza, cishe zonke izinto zikagesi ezifakwe endaweni yomthombo azikwazi ukuqhuma. Leli zinga ligwema izinkathazo ezingadingekile ezihambisana nokushintshanisa izinto zokusebenza ezingahlangabezani nezicaciso zokuvikela ukuqhuma.