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Likotoana tsa merafo ea seliba se tebileng IADC642 bakeng sa ho cheka mafika a thata
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Li-bits tsa tricone tsa API tse potolohang tsa merafo IADC615 bakeng sa rig e teng setokong
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Li-tricone bits tsa tšepe hantle IADC632 bakeng sa libopeho tse thata haholo
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API Mining TCI tricone bits fektheri IADC422 bakeng sa lefika le thata