|Feather Key Joints - Course: Techniques of Fitting and Assembling Component Parts to Produce Simple Units. Trainees' Handbook of Lessons|
In principle, the regulations on labour safety are applicable which have to be observed with the techniques of filing, scraping, drilling, reaming, milling and shaping. Special attention has to be paid to the following main points:
- Use only clean and sharp tools are which not defective.
- Workpieces must be firmly and safely clamped - but so that they are not damaged.
- Keep the measuring and testing tools carefully and protect them against damages by shock and corrosion.
- Keep the workshop place in order, keep individually manufactured fitting pieces only together with their counterparts.