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
FLYING AROUND THE ROOM
Room models of small size. Simple in design and in manufacture. Material for their construction can serve as dry stubble and any weed, its structure is similar to a stalk of wheat. As...
DOUBLE SEDAN
The homemade microcar "Laika" is a frameless all-metal construction. Despite its small size and simplicity, the car provides comfortable seating for two people (driver and passenger), has...
