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
ENDLESS WATER
Free energy wind has long serve man. Question about using it is urgent and now, especially with the ever increasing shortage of natural fuel. There is a "demand" for it and the private...
Brake light controller
A vehicle’s electrical system can be supplemented with a device whose schematic and wiring are within reach of even a beginner. This device is a controller whose value is clear: its status...
