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.
Recommend to read
UNNECESSARY TO SEAL
If the angular groove in the part requires the processing of a triangular file, but only one side with a notch (nearby to not participate in it), tape it temporarily any adhesive tape...
LUNGING – “VYATKA-2,5”
Avtomodelistov riders as it is not accepted to give the models names. Perhaps that is why the first thing we asked the author of this has no similar model, the origin of its name —...
