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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AGAIN ABOUT BIOGAS
The editors have received many letters on the publication of "Biogas: and warms, and cooks" (see "M-K" № 1, 1987), based on the materials of the Romanian journal "Technium". Of readers...
ON-A-STRING — LINGERIE
For drying clothes instead of rope is convenient to use thick fishing line, advancing on the strength (calculated on the force of 35 kgf). It is less visible, doesn't spoil the view and...
