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
WHAT IS NOT “AUTOPILOT”!
Probably, many motorists familiar with this situation: after a continuous drive for a distance of 200 — 300 km of the right leg begins to resemble what it is and what it is time for her...
DOOR FOR PIPE
When you put the samovar in the house, the smoke given often through the window pane But when you have to throw in a pitcher samovar wood or coal lumps, the room is filled with smoke. ...
