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
THE THERMOSTAT OF THE IRON
With great interest I read in "M-To" article L. Christmas "Cellar, on the balcony." Without a doubt, the invented by good and necessary in a city apartment unit. Writing about the atom...
THE FURTHER YOU GET!
Growing every year in our country, the number of motorists. For many of them the car is not only a means of transport, recreation, but also technical creativity. It would seem, than...
