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.
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“HUNTER” — THE STORM “TIGERS” AND “PANTHERS”
The resolution of the State defense Committee 4043сс dated 4 September 1943, ordered the pilot plant No. 100 in Chelyabinsk in cooperation with the technical office of the Chief armored...
CUTTER OF HOOP
Loves to embroider or cross stitch is used for the tensioning of the fabric an ingenious device — the Hoop: two wooden or plastic rings, one of which together with the tissue fits snugly...
