Utwuma duto two guterura ibintu dukoreshwa cyane mu gufata ikirahure tudasenya no gushyiraho amarido ku rukuta rw'ibirahure. Umutwaro usanzwe w'umutekano ni 800-2500 kg, guhindukira dogere 90 mu buryo bw'intoki, guhindukira dogere 360 mu buryo bw'intoki, ibikoresho bishobora kuba telesikope, kandi bishobora gushyirwa ku kirahure kinini gifite imiterere n'ingano bitandukanye.
Igihe cyo kohereza: Ugushyingo-02-2022