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
VELOSCRITTURE
The bike headlight and taillight Shine only during the movement of the machine when Wellenreiter ("Dynamo"). Simple electronic device will help you to correct this deficiency. Here's how...
GERMAN “PUMA” of the 1940s
Under the Versailles peace Treaty, Germany until the early 1930s did not produce armored vehicles, and only in 1932 the firm "Daimler-Benz" has started the production for the army of...
