Tobankii sano ee la soo dhaafay, jeexdin sax ah oo qaybo bir ah oo engegan oo la gelinayo polycrystalline cubic boron nitride (PCBN) ayaa si tartiib tartiib ah u beddeshay shiidi dhaqameed. Tyler Economan, maareeyaha qandaraaska injineerinka ee Index, USA, ayaa yiri, "Guud ahaan, jeexjeexyada jeexje...

Mashiinka, qalabka ayaa had iyo jeer loogu yeeraa "ilko warshadaysan", iyo waxqabadka goynta qalabka qalabku waa mid ka mid ah qodobbada muhiimka ah ee go'aaminaya waxtarkeeda wax-soo-saarka, qiimaha wax-soo-saarka iyo tayada wax-soo-saarka. Sidaa darteed, xulashada saxda ah ee qalabka wax lagu gooy...