Ngwa ndị ọzọ

Nkọwa ndoro ndoro na-egbu ndoro ndoro n'ulo nkọwa ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro. Mgbe soil nailing na-egbu ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro, nkọwa ndoro ndoro na-egbu ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro. Nkọwa ndoro a na-enweta ndoro drilling apparatus, compressors, grout mixing na pumping systems, water management devices, na precision monitoring instrumentation na-enyere aka contractors ịdị mfe n'oge ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro na-eme ka ndoro.