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
BED IN A BAG
Indeed, if in a plastic bag with soil, cut holes and plant in them seeds or seedlings, you will be able to kill two birds with one stone: and a bed to do, and the weeds can't break...
“COVER” FOR THE BLADE
The quality of processing lumber a plane largely depends on the sharpness of the blade of the knife (or as it is called, is the glands). And because sharpened part is always from the...
