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
BMW Isetta
Post-war industrial crisis has forced automakers in many countries to pay attention to cheap minicar — just like she had at the time a steady demand. Was no exception to this process and...
Manual Concrete Mixer
Prepared cement mortar needs constant mixing, otherwise it hardens quickly. But that is easier said than done; doing this work by hand is extremely tiring — it is hard to lift a shovel...
