Sandpaper glued to the plate, to help clean the soldering tip on the scale and layers of soot. And put on the skin of the pieces of tin and rosin help both obludit sting.
Y. Zhdanov
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The lightest three-layer plate with a honeycomb filler can be obtained, if you use this hint. The middle layer is empty matchboxes glued in a checkerboard pattern, for example, the sheet...
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