Kutsvaga nhambwe iripo pakati penzvimbo mbiri tichitangira kubva pahoko imwe chete inozivikanwa, isingatsukunyuke. Somuenzaniso kana pari pamugwagwa mumwe taona chikwangwari chinoti 150 km, shure kwezvo tozoonazve chimwe chinoti 160 km. Kureva kuti pafambwa 160 - 150 = 10 kilometres.