If you have an old inflatable mattress, consisting of several independent sections, it is easy to adapt as life jacket for boating. You will have to sacrifice one of the middle sections, making it T-shaped hole for threading of the head. To fix the other slightly inflated section around the torso using the waist belt and extra lacing.
Recommend to read
THE KEY LABELED
Clever locks are supplied with a no less intricate keys, which in contrast to the traditional plain old no beard, clearly suggests the correct position of the key when inserting it in...
SECRET SCREW
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...