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
POLIHALE?
Otherwise, I think, and not be called a "spectrum" of Ryazan Hobbies of our reader Valery Helstein: model aircraft, radio, cynolebias, speed boat (master of sports, the third place on...
BMW 335 CABRIOLET GRABER
The production of cars, the German company Bayerische Motorenwerke started only in 1927, when the factory gate in the city Eisenach left the car BMW DIXI. Compact and inexpensive car...
