THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

They act transferring the forces by way of mechanical interlock. This fastening technological know-how is Utilized in steel-to-steel connection, For example to connect cold-fashioned profiles. A screw is inserted to the base content by means of a gas actuated gas gun.Pelatihan: Pekerja harus mendapatkan pelatihan yang memadai tentang penggunaan ang