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Kukulitsidwa kwa bentonite pobowola mopanda trenchless wa sodium-based calcium based piling
Matope bentonite ndi madzi dongo ore ndi montmorillonite monga chigawo chachikulu, izo zimagwiritsa ntchito pobowola pulping zipangizo mu zomangamanga zofunika, ntchito pobowola matope, ambiri a ntchito matope bentonite chitsanzo ndi sodium ofotokoza bentonite.
