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Kukobvura kwe bentonite ne trenchless drilling ye sodium-based calcium based piling
Madhaka bentonite ivhu rinotakura mvura ine montmorillonite sechinhu chikuru, inonyanya kushandiswa sekuchera pulping zvinhu muunyanzvi hunokosha, hunoshandiswa kugadzira dhaka rekuchera, kunyanya kushandiswa kwedhaka bentonite modhi is sodium-based bentonite.
