Not known Facts About plat besi lubang lembaran
They act transferring the forces by means of mechanical interlock. This fastening know-how is used in steel-to-steel relationship, By way of example to connect chilly-formed profiles. A screw is inserted in to the base product through a fuel actuated gas gun.Pelatihan: Pekerja harus mendapatkan pelatihan yang memadai tentang penggunaan angkur dan p