To books on the shelf stood upright, their back so those are the footings of two scrap boards connected at a right angle, and a reinforcing cross member. However, on the polished surface of the stand is bowing under the weight of books can slide. This will not happen if both its external surface to paste thin rubber, corrugated better.
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I want to offer to the readers made me a decorative box. A plan was born at me after visiting the exhibition dedicated to the floral and architectural design. There, on one of the...
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At school, for more than 40 years, engaged in the construction of various mechanisms to facilitate workplace and at home. (In the journal "Inventor and rationalizer" was placed in my...
