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.
Recommend to read
SPINNING WITHOUT INERTIA
Throwing spinners on the reel of a spinning formed the so-called "beard" thread waste, which brings much trouble to the fishermen. A simple jig made from aluminum plate, steel wire,...
BATTLESHIP “ADMIRAL USHAKOV”
COASTAL DEFENSE BATTLESHIP "ADMIRAL USHAKOV". Scale model 1:200. One of the most famous ships of the Russo-Japanese war, the battleship "Admiral Ushakov" was laid on 22 October 1892 at...
