If the head of the screw to give with the help of nalilsya the form shown in the figure, then any attacker will not be able to turn. On such hardware it is recommended to set sensible things sailing and motor boats, hook locks.
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A screw or bolt connection details are often attenuated vibrations. Offer when assembling sprinkle the threaded surfaces tin lead IPE sawdust to screwing it does not hurt (thanks to...
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In our middle latitudes, there are years when fruit trees stand as if in construction scaffolding: they are not visible due to a palisade of supports saving branches overloaded with...
