ASTM1020 / 1035/1045/44040
Ibisobanuro bigufi:
Urukuta ruremereye rw'icyuma ni ubwoko bw'umuyoboro ufite uburebure buri hejuru y'urukuta.
Urukuta ruremereye rw'icyuma ni ubwoko bw'umuyoboro ufite uburebure buri hejuru y'urukuta.Igikorwa cyo gukora ibyuma biremereye byicyuma gishobora kugabanywamo uburyo bune bwibanze: gushushanya ubukonje, gukonja gukonje, kuzunguruka gushyushye, no kwaguka gushyushye.Ukurikije intego, irashobora kugabanywamo umuyoboro wicyuma utagira kashe kugirango wubake;umuyoboro w'icyuma udafite icyerekezo cyo gutwara amazi;Umuvuduko ukabije wumuyoboro wicyuma utetse;umuvuduko ukabije wicyuma kitagira ibikoresho byifumbire;umuyoboro w'icyuma udafite icyerekezo cyo gucukura geologiya;umuyoboro w'icyuma udafite kashe yo gucukura peteroli;umuyoboro w'icyuma udafite kashe yo kumena amavuta;umuyoboro w'icyuma udafite icyerekezo cyo kubaka ubwato;imiyoboro itandukanye.Imiyoboro y'icyuma idafite icyerekezo igaragazwa na diameter yo hanze n'ubugari bw'urukuta.