| 1 | Connecting element welding, soldering, rivets, bolts relations, shaft hub connections, tight fitting, pin, etc. learns connections |
| 2 | Shafts and axles, and understand the basic features of |
| 3 | Motion Ilen parts bearings and clutches comprehend the basic information about |
| 4 | Lubrication in Machine elements , due to the importance and types of fat learns. |