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
SHAVINGS – NO TOYS
If the plane piece of iron are induced to razor sharpness, and the Board you plane them, without knots n ROE, from the plane pours a silky ribbon chips such strength and beauty that...
WASHING MACHINE IN THE BACKPACK
This object shaped much like a conventional stationery printing, can become an addition to a household washing machine, replacing it in the stowed or country conditions, and also in...