jual expanded metal surabaya - An Overview
They act transferring the forces through mechanical interlock. This fastening know-how is Utilized in steel-to-steel link, for instance to attach cold-formed profiles. A screw is inserted in the base materials by means of a gas actuated gas gun.Pelatihan: Pekerja harus mendapatkan pelatihan yang memadai tentang penggunaan angkur dan perangkat pelin