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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Known tip to RUB the screw with soap, to facilitate its mounting in the wooden piece. If it is plastic, for example, sealing the dowel into the hole — then the screw for the same...
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My technical career began with as long as I can remember. Of course, it all went with models and a variety of useful things. Was born my simple DIY in the end the General court, in...