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		Boring - Course: Manual woodworking techniques. Instruction examples for practical vocational training (Institut für Berufliche Entwicklung, 23 p.)
			(introduction...)
			Preliminary Remarks
			Instruction Example 5.1.: Holes of Limited Depth
			Instruction Example 5.2.: Bit Stand
			Instruction Example 5.3.: Screw Holes
			Instruction Example 5.4.: Through Holes
			Instruction Example 5.5.: Stool

Preliminary Remarks

The present booklet contains 5 selected examples of workpieces to be produced by the trainees in order to acquire fundamental knowledge and skills in the working technique of boring. In order to facilitate the preparation and accomplishment of the work, the necessary materials, cutting tools, measuring and testing tools and auxiliary accessories are specified for each instruction example.

Boring calls for knowledge of measuring and scribing. Therefore, such knowledge previously acquired is to be repeated at the beginning.

The sequence of operations specified for each example gives the steps necessary for acquiring the working technique and producing the workpiece. This sequence of operations is to be strictly observed if good quality is to be achieved.

A working drawing showing the required shapes and dimensions of the workpiece is attached to each example.