THE BESI HITAM DIARIES

As revealed from the figure, tightening the bolt leads to a wedge getting driven up towards a sleeve, which expands it and leads to it to compress against the material it is actually staying fastened to.Dengan menggunakan tabel ini, kontraktor dan insinyur dapat membuat keputusan yang lebih baik, memastikan struktur yang aman dan tahan lama.Tidak h