| | 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 |