Isahani isanzwe ikoreshwa igabanijwemo ubwoko butatu ukurikije imiterere yubutaka, harimo akabari kamwe, utubari dutatu nu munsi.Icyapa kimwe cyo gushimangira icyuma gikoreshwa cyane cyane kuri buldozeri na za romoruki, kubera ko ubu bwoko bwimashini busaba icyapa cyerekana inzira ifite ubushobozi bwo gukurura cyane.Nyamara, ntibikunze gukoreshwa mubucukuzi bwa moteri, cyangwa gusa iyo icyuma gikurura imashini gikoreshwa na tronc nini cyane. bisabwa mugihe sub ihindutse, bityo rero inkweto ndende (ni ukuvuga ihwa ryinkweto) izanyunyuza ubutaka (cyangwa ubutaka) hagati yigitereko cyinkweto, bityo bikagira ingaruka kumigendere ya moteri.
Abacukuzi benshi bakoresha isahani itatu - isahani yikurikiranya, bake bakoresha isahani yo hasi - hasi yikurikiranya. Mugushushanya icyapa cyimbavu eshatu, igitutu cyo guhuza ubutaka hamwe nubushobozi bwo guhuza hagati yumuhanda nubutaka burabanza kubarwa kugirango hafatwe ingamba zikenewe. Icyakabiri, isahani yumuhanda igomba kuba ifite imbaraga zunamye kandi ikambara ibizunguruka. irashobora guhita ikurwaho hakoreshejwe iryinyo, bityo umwobo woza ibyondo ugomba kuba uri hagati yimyobo ibiri itunganya icyapa cyikurura kumurongo wa gari ya moshi.
Igihe cyo kohereza: Ugushyingo-29-2018