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Opanga yogulitsa mchere kugonjetsedwa trenchless chitoliro pobowola bentonite
Trenchless ndi njira yomangira muukadaulo watsiku ndi tsiku, monga kukumba mopingasa, kumanga mapaipi, kubowola mafuta, kufufuza kwa geological ndi kupanga makina otchinga ngalande.Ntchito zomwe sizimamanga mobisa pokumba pansi zimatchedwa kuti trenchless project.M'mapulojekiti opanda trenchless, trenchless bentonite imagwira ntchito yofunika kwambiri.
