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
PAINTING “MATRYOSHKA”
During repair work the goats are not always required, so many people prefer to do without them, making a pyramid of chairs, stools and table. At the same time, there are various...
SUPPORT WILL FIX THE ERROR
When carrying out installation work related to installation of structures on mortgages supporting parts of foundations, as a result of violation of technological process or as a result...
