Umshini wokuwasha wesihlabathi wesondo wamukela uhlelo lwe-Wheel Drayivu ukuze uvuse futhi ukhiphe ukungcola kokuqukethwe ukuze kuqinisekiswe izinga eliphakeme lokugeza isihlabathi.
Ngezilungiselelo zayo eziguquguqukayo kanye nokusetshenziswa kwamandla okuphansi, umshini wethu wokuwasha isihlabathi wesondo ulungele izinhlelo zokusebenza ezinjengokwakha, izimayini, kanye nokukhiqizwa kokhonkolo.
1. Isakhiwo esinengqondo nokulungiswa okulula.
2. Ikhono elikhulu lokucubungula, ukusetshenziswa kwamandla okuncane.
3. Izinga eliphakeme lokuhlanza, ukulahleka okuncane kwezinto zokugezwa.
4. Kusetshenziswa idrayivu kagesi, ukusebenza okuzinzile, nomsindo ophansi.