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 LOOP IS SECURELY
It is known that in soft wood or particle Board with no nails or screws do not provide a reliable fastening, break out with "meat" even at low loads. Help out the push-pins of hard...
HANDHELD VACUUM CLEANER…
This kind of "vacuum cleaner" uses the property of plastic to electrify the friction of the fabric. And the device it is very simple. In the lid of a conventional soap dishes, cut a few...
