EVERYTHING ABOUT HARGA BESI SIKU

As revealed in the determine, tightening the bolt ends in a wedge currently being pushed up against a sleeve, which expands it and results in it to compress against the material it really is staying fastened to.Sebelum dimasukkan, pastikan angkur telah dibersihkan dari kotoran dan debu yang menempel pada permukaannya. kalian bisa menggunakan kuas a