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
STONE CUTTING CIRCULAR SAW
Mother Russia is rich in earthly gifts. Among them not last place is occupied by precious, semiprecious and ornamental stones. One Ural! It is therefore not surprising that in Russia,...
“FLEET” FROM ELEMENTARY PLATES
Wooden boxes for transportation of fruits or vegetables are mostly one-time use and then are disposed of. Boards, of which they are made, can be a good building material for the...
