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 ROBBERY DID NOT TAKE PLACE?
Discussing among themselves another case of burglary, we tend to criticise the police, accusing it of lack of effective measures of prevention and suppression of catastrophic increase...
The intricacies of opening a padlock
Today in various spheres of our life are widely used padlocks of different nature. For example, they can be seen on garages, sheds. In addition, they meet and in the case of summer...
