Umbhobho omkhulu womthamo ubhekisa kumbhobho onesilinganiso esikhulu sokugeleza kwezindiza. Lolu hlobo lombhobho ngokuvamile ludinga ukwakheka okukhethekile kwesakhiwo, njengombhobho wesigaxa ogcwele, odinga inqubo ekhethekile yokukhiqiza i-swirl blade ukuhlangabezana nemibandela.

Ukuze kwenziwe imibhobho emikhulu egeleza ngamandla, sithenge ngokukhethekile iphampu enkulu yamanzi. Ikhanda lalo lingafinyelela kumamitha angama-50 kanti isilinganiso sokugeleza singafinyelela kuma-cubic metres ayi-800 ngehora, okungahlangabezana nezimo zokuhlolwa kwemibhobho eminingi.