Cast in many industrial products have long been used mortgages (anchor) bolts with special heads, such that not only pull, but rotate can’t.
With the advent of high strength composite self-hardening compositions that bolt you can “lay” in the body of the finished product (plastic or metal) and making it pre-nest, and then simonaityte.
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The proposed homemade compressor is intended for household use. With its help, you can quickly and efficiently carry out painting work or inflate a car tire. The compressor consists of an...
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It's a letter to the editor. In it two leaves of sketches on the reverse side of which a short description and a few photos of the model. No return address, no signature of the author....
