Dome PDC & Conical PDC Mining/Inisinia Talosaga

E pei ona fa'aalia i le ata taumatau pito i lalo, o lo'o fa'apipi'i le PDC fa'apipi'i ma fa'aofi carbide i le pusi lava e tasi.pe a uma le suʻega, o mea faʻapipiʻi carbide ua masaesae.