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
CASTING OF PLASTICS
The details of the models are usually made of plastic or metal by machining. However, when they have much better detail molding plastic in a plaster mold. To prepare plastic from acrylic...
BODYGUARD OF TANKS “TERMINATOR”
August 31, 2011 in the main square of Astana held a military parade dedicated to one of the main holidays of Kazakhstan - the Constitution Day. Ceremonial passing of the mechanized...
