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.
Recommend to read
“NO NOISE OF THE CITY…”
If the Windows of your apartment face the street with heavy traffic, the silence in the house should not wait. Meanwhile to prevent in your home decibelle excessive noise anyone. To do...
B-25 “Mitchell”
During the great Patriotic war in the Soviet Union from the United States and supplied under lend-lease twin-engine bombers b-25 "Mitchell" company "North American". The aircraft started...
