THE BESI HITAM DIARIES

As demonstrated in the figure, tightening the bolt brings about a wedge remaining pushed up from a sleeve, which expands it and will cause it to compress in opposition to the material it is remaining fixed to.Meskipun penggunaan angkur umumnya terbatas pada bangunan baru, namun dapat digunakan dalam berbagai jenis konstruksi dari skala kecil hingga