A simple device for carrying a wide sheet materials are easy to make yourself, having at hand two, tee, four corners and three or four water pipe section.
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The work of our circle of technical creativity at the Polytechnic of light industry does the city have repeatedly told on the pages of "M-K." At the last such publication number 2 for...
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It would seem that all good pocket flashlight "Elektronika B6-03": from design to filling, including a fairly capacious battery of three disk accumulators D-0,26. But... As shown by...
