Urebye muburyo bw'umwuga, gukata urusyo ni igikoresho cyo gukata gikoreshwa mu gusya. Irashobora kuzunguruka kandi ifite amenyo imwe cyangwa menshi yo guca. Mugihe cyo gusya, buri menyo agabanya amafa...

Mu myaka icumi ishize, gutondeka neza ibyuma bikomye hamwe na polycrystalline cubic boron nitride (PCBN) byinjije buhoro buhoro gusimbuza gakondo. Tyler Economan, ushinzwe gupiganira amasoko muri Inde...

Mu gutunganya, igikoresho cyahoze cyitwa "amenyo yakozwe mu nganda", kandi kugabanya imikorere yibikoresho ni kimwe mu bintu by'ingenzi bigena umusaruro wacyo, igiciro cy'umusaruro ndetse n'ubwiza bwo...