To saw through the groove to “hide” the wiring in the plaster of the wall can be the simplest tool made from a wooden block and two fragments of the saw blade. The thickness of the bar determines the width of the groove.
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Pliers and carpal expander, which is sold in any store "Sports" is all that is necessary for making the simplest grip. A. KOTLOVSKY, Boguchansk, Krasnoyarsk Krai
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