NOT KNOWN FACTS ABOUT HARGA BESI HOLLOW

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