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
THE REFEREE SIGNALS
Do you think what is common between math and electronics? Readers familiar with digital technology, recall that the mathematical laws of Boolean algebra the basis for the action of logic...
KOREAN CROSSOVER WITH AN AMERICAN EMBLEM
Not all know that Louis-Joseph Chevrolet, whose name is famous American car company, and millions released it the car does was neither the owner of the company, nor a car designer. ...
