A good helper when working with sheet material will be here is a simple fixture. It allows you to cut a sheet of chipboard, plywood at any angle.
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“THIRD HAND”
When working with small parts — for example, during soldering of electronic circuits, usually both hands are busy and you want or assistant, or an additional holding device. In this...
LIGHTER, DARKER
Smoothly change the brightness of room lighting or hall comfortable with the thyristor voltage regulator (see Fig.). The scheme allows you to adjust the load voltage ranging from 220 V...
