Dzemaitirwe nzvimbo munyika kwemashifiti chimiro
Tsanangurai encombrements vari mamita
A B,
B C,
C D,
D A - Plot hukuru mapato
U - nzvimbo rwerudyi angled
Somugumisiro, chirongwa dzemaitirwe achasarudza nyika nzvimbo, zvisingazivikanwi pamakona uye kukura diagonals.