THE 5-SECOND TRICK FOR PAGAR BRC SURABAYA

As demonstrated in the figure, tightening the bolt results in a wedge being pushed up from a sleeve, which expands it and causes it to compress against the material it can be staying fastened to.Sebelum dimasukkan, pastikan angkur telah dibersihkan dari kotoran dan debu yang menempel pada permukaannya. kalian bisa menggunakan kuas atau kain lap ber