Helping The others Realize The Advantages Of round bar
As proven while in the determine, tightening the bolt ends in a wedge remaining driven up in opposition to a sleeve, which expands it and brings about it to compress in opposition to the fabric it can be currently being fixed to.Meskipun penggunaan angkur umumnya terbatas pada bangunan baru, namun dapat digunakan dalam berbagai jenis konstruksi dar