harga tiang listrik besi 6 meter No Further a Mystery
They act transferring the forces via mechanical interlock. This fastening engineering is Employed in steel-to-steel link, for instance to attach cold-shaped profiles. A screw is inserted to the base materials by means of a gas actuated gasoline gun.Selain itu, angkur baja juga bertugas untuk mendistribusikan beban secara merata guna mengurangi teka