Using a strip of cloth, it is possible to screw the screw in any, even remote place.
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Among the responses received to the All-Union competition “Small Mechanization” held by the editors together with the Central Committee of VOIR, there are many letters asking for the...
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This is an original and extremely simple device can perform a dual role: the stand, which is convenient to put hot pot, and a kind of roster that prevents it from cooling. In the latter...
