Guharura ingazi zizunguruka
Urasabwe kwerekana ingero zikenewe
H - Uburebure bw'ingazi
D1 - O.D.
D2 - Umurongo w'imbere
C - Umubare w'intambwe
Z - Uburebure bw'intambwe
A - imfuruka yo guhindukiza ingazi
urutonde
Uburebure bw’intambwe mu ngazi zizunguruka ntibukwiye kuba munsi ya cm 80.
Ubwaguke bw’intambwe mu gice co hagati bukwiye kuba nibura cm 20-25, mu gice cagutse cane - ntiburenge cm 40.
Uburebure bw’ingazi z’ingazi zizunguruka bushobora kuba burengeye uburebure bw’ingazi zigendagenda.
Uburebure busanzwe bw’intambwe z’ingazi zo kugenda ni cm 16, ku ngazi zizunguruka - cm 18.
Aho ikirenge gitera, intambwe y’ingazi y’uruzitiro ikwiye kuba nk’amasentimetero 25-30, ku ruhande - nibura amasentimetero 30-35.
Ubu burebure bw’intambwe buzoba bwiza cane.
Ingano z’intambwe z’ingazi zizunguruka.
h - uburebure bw'intambwe
W1 - ubwaguke bw'intambwe ku gice cagutse
W2 - ubugari bw'intambwe
α - guhingura intambwe mfuruka