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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When painting window frames, no matter how trying, and at least one smear Yes gets on the glass. Remove also dried up blemishes without damaging the coating of the frame, not a simple...
