 |  | Grinding of Simple Tools - Course: Technique for manual working of materials. Instruction examples for practical vocational training (Institut für Berufliche Entwicklung, 23 p.) |
 |  | (introduction...) |
 |  | Introduction |
 |  | Instruction example 12.1. Centre punch and scribing punch |
 |  | Instruction example 12.2. Steel scriber |
 |  | Instruction example 12.3. Screw driver |
 |  | Instruction example 12.4. Flat chisel and cape chisel |
 |  | Instruction example 12.5. Drill with standard drill point as well as flat drill point and centre point |