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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SOLDERING WILL BE MORE CONVENIENT
Metal "crocodile" attached to the soldering iron stand, will simplify the work when joining the two parts: it is held one part, and the second is a tweezer, and you can safely solder.
THE HEATER IS A SOLDERING IRON
Usually wings models air combat and cord upholstered Mylar film. Stick it to the frame using BF-2, and the joints are heated with a soldering iron with a special nishikoi. In the Studio...
