Straightening - Course: Technique of working sheet metals, pipes and sections. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 16 p.)

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