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

  • THE LIGHT IN THE BATHROOMTHE LIGHT IN THE BATHROOM
    It often happens when someone from the household forgets to turn the lights off in the toilet — he may be there without the use of a lot of hours. A simple automatic device which, when...
  • THE TRENCH — AXETHE TRENCH — AXE
    In the preparation of parts of the framework for a wooden house is the most difficult operation — the manufacturing of the bed for a snug fit of the upper and lower logs. You want to...