اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
The factor of safety, by F.E. Cardullo.--Working strength of bolts, by F.E. Cardullo.--Flange bolts, by J.D. Adams.--Formulas for designing riveted joints, by F.H. Smith and A. Wind.--Calculating the strength of a mouthpiece ring and cover, by R.E. Flanders.--Keys and key-ways.--Toggle-joints, by L.G. French