Karolo e meraro ea Core Bit
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Likarolo tse tharo tsa Core Bit (Coupling+Tube+Bit)
Haholo-holo e sebelisetsoa ho cheka konkreite, konkreite e matlafalitsoeng, setene, thibela joalo-joalo Bophelo bo potlakileng, bo bonolo le bo bolelele.Karolo ea li-core bits e ka ba mofuta o Tloaelehileng, Mofuta oa Turbo
Mechini: Boro e tšoaroang ka letsoho, mochini oa ho phunya. Tšebeliso ea metsi.