PDC cutter kubowola pang'ono amapangidwa ndi 45# zitsulo ndi PDC odula. Kuphatikiza ubwino wa odula zitsulo ndi PDC kumapangitsa PDC kugwiritsidwa ntchito kwambiri pamigodi ya malasha ndi pobowola miyala.
TYDRILLBITS ndi imodzi mwamabowo otsogola kwambiri a mgodi wa malasha komanso opanga mabowo a geological, omwe adakhazikitsidwa mchaka cha 2008. Khalani omasuka kukumba mabowo apamwamba kwambiri komanso otsika mtengo a mgodi wa malasha ndi mabowo oboola a geological kuchokera kufakitale yathu pano.
73