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
Automatic summer shower
Do you know what’s the most annoying thing about a summer shower at the cottage or in a private house? Constantly running to check if there’s water in the tank. It feels like you just...
ON THE TRACK “MIRAGE”
Usually when we in the club EN-route modeling at the Tushino syt in the beginning of the school year come the newbies, they are already at the first lesson confides that they want to...
