Lati jẹ ki ọna iwakusa jẹ ailewu, nibẹ nilo ọja gẹgẹbi Pipin Ṣeto, Fraction Bolt, Pipin Set Washer, Mining Mesh, Combi Plate, Strata Bolt, Rock Bolt, Mine Rock Bolt, friction stabilizer, ati bẹbẹ lọ.kini awọn igbesẹ ti ikole boluti iwakusa ti a nilo lati mọ?Awọn aaye marun wọnyi ni mai...
Ka siwaju