INSTEAD OF SPECIAL — ORDINARY

INSTEAD OF SPECIAL — NORMALCast 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

  • INSTEAD OF SEWING — DRILLINSTEAD OF SEWING — DRILL
    In No. 6 1981 "M-K" talked about how the members of the design circle agricultural modeling of Chernigov obsut after the tour on the kolkhoz apiary has designed the installation for...
  • CORKSCREW TO THE SHOVELCORKSCREW TO THE SHOVEL
    This happens often in adults, not for kids: try hitting the earth or stone to knock down accumulated layers of soil and break the shaft. And to pull the chip is harder than a turnip in...