 |  | Straightening - Course: Technique of working sheet metals, pipes and sections. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 16 p.) | |
 |  | (introduction...) | |
| | Preliminary Remarks | |
| | Hints on Labour Safety | |
| | 1. Purpose of Straightening | |
| | 2. Tools, Devices and Auxiliary Means | |
| | 3. Processes within the Material | |
| | 4. Techniques of Straightening | |
