THE BESI HITAM DIARIES

The besi hitam Diaries

They act transferring the forces via mechanical interlock. This fastening know-how is Employed in steel-to-steel link, By way of example to attach chilly-shaped profiles. A screw is inserted into the base substance via a fuel actuated fuel gun.Angkur dengan cara kerja friction akan menciptakan gaya gesek antara media aplikasi dengan angkur yang dip

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