CIR pansi kubowola dzenje
Mapangidwe apadera amkati a CIR mndandanda wa DTH kubowola ma bits, opangidwa molingana ndi chiphunzitso chaposachedwa kwambiri chobowola miyala, amapereka mphamvu zambiri, kuthamanga mofulumira kubowola komanso kugwiritsa ntchito mpweya wochepa. Chifukwa cha zitsulo zapamwamba kwambiri za aloyi komanso umisiri wotsogola, magwiridwe antchito komanso moyo wautali wantchito wa CIR mndandanda wa DTH drill bits. Chifukwa cha mawonekedwe osavuta, odalirika, osavuta kusonkhanitsa ndi kusokoneza mkati mwa nyundo, vuto la vuto ndilochepa komanso losavuta kusamalira. Itha kusinthidwa ndi DTH drill bit ndi kubowola pang'ono ndi chitoliro chobowola.
