The 5-Second Trick For pagar brc surabaya
As shown from the figure, tightening the bolt results in a wedge becoming driven up from a sleeve, which expands it and causes it to compress in opposition to the fabric it is becoming fastened to.Meskipun penggunaan angkur umumnya terbatas pada bangunan baru, namun dapat digunakan dalam berbagai jenis konstruksi dari skala kecil hingga besar, baik