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		Filing - Course: Technique for manual working of materials. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 21 p.)
			(introduction...)
			1. Purpose of filing
			2. Filing tools
			3. Auxiliary means for filing
			4. Operation of filing
			5. Standing position and guiding of the file
			6. Handling of the files
			7. Labour safety recommendations

7. Labour safety recommendations

- Don’t wipe off chips with bare hands - danger of injury!
- Use files with crackless file handles only - otherwise danger of injury!
- Bore and enlarge new file handles according to the tang and then fix them by gentle hammer blows!
- Hardened parts roust not be filed!
- Don’t stack files one above the other - protect them from falling down!
- Clean files regularly with file brush and latten brass!

Figure 41 Cleaning of the file with the file brush