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Mechini ea ho cheka mekoti e tebileng ea Sanjia e tla sebelisoa haholo ha ho etsoa meqolo ea leloala la pampiri.
Re etsa boholo bo fapaneng le litlhophiso mabapi le mefuta e fapaneng ea lirolara tse hlokahalang ts'ebetsong ea tlhahiso.
Li-deep hole borers li tla sebelisoa bakeng sa ts'ebetso ea counterboring ea li-diameter tse kholo le mechini e mengata ea ho phunya lithunya bakeng sa ho omisa meqolo.
Nako ea poso: Jan-19-2024