THE BESI HITAM DIARIES

As shown from the determine, tightening the bolt brings about a wedge being driven up towards a sleeve, which expands it and triggers it to compress towards the material it really is staying mounted to.Selain itu, angkur baja juga bertugas untuk mendistribusikan beban secara merata guna mengurangi tekanan pada titik-titik tertentu. Ini dapat menceg