Aho bakomoka: Ubushinwa Izina ryikirango: JCDRILL Umubare w'icyitegererezo: AWL, BWL, BWL2, NWL, NWL2, HWL, PWL, SWL Ubwoko: Ibikoresho byo gucukura / Ibikoresho Ibikoresho: diyama / ibyuma Koresha: Ubucukuzi bw'amabuye y'agaciro, Geotechniki, Ubushakashatsi Izina: Diamond Core Drill Bit