The need to sample a semicircular groove often occurs during the manufacture of home-made furniture or the construction of a garden shed. How to do it without the special tool! The figure shows the method of manufacturing such a groove with a conventional circular saw — a workpiece moving along the inclined installed a bar-rail. The tilt angle depends on the width of the groove and determined by the elementary measuring instrument of the type of a parallelogram and the line.
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If you can't make it to Chuck to turn the light bulb and no ladder or chair will help you simple device from a dense paper and two rubber bands.
REPAIR, “ZORKIY”, “FED”
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