Uchungechunge: Kungani Ama-Drill Bits Ehluleka | Isihloko 1 Amagama angukhiye: Ama-drill bits e-HSS, ama-drill bits e-cobalt e-M35, ikhwalithi yezinto zokwakha ama-drill bit, ukukhiqizwa kwama-drill bit, insimbi yesivinini esikhulu Lapho abathengi bebuza ngekhwalithi yama-drill bit, umbuzo wokuqala cishe njalo umayelana nezinto zokwakha. “Ingabe yi-HSS?” “Ingabe...
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