5 SIMPLE TECHNIQUES FOR FLANGE LAP JOINT

As revealed during the determine, tightening the bolt brings about a wedge getting pushed up in opposition to a sleeve, which expands it and brings about it to compress against the material it really is currently being fastened to.Sebelum dimasukkan, pastikan angkur telah dibersihkan dari kotoran dan debu yang menempel pada permukaannya. kalian bis