BESI SIKU LUBANG CAN BE FUN FOR ANYONE

As demonstrated during the determine, tightening the bolt leads to a wedge currently being driven up towards a sleeve, which expands it and leads to it to compress towards the material it's being fixed to.Sebelum dimasukkan, pastikan angkur telah dibersihkan dari kotoran dan debu yang menempel pada permukaannya. kalian bisa menggunakan kuas atau ka