…First was a call to the editor. Youth voice, which was heard simultaneously and joy, and pride, and impatience to share all these feelings said that we have built and successfully tested an unusual inflatable boat. Pulled out of the backpack, it is a rectangular panel: inflated “frog” becomes a raft (a large mattress); laced or strapped on end edges turns into a boat capable of taking three people and cargo. And all of this is made of a thin fabric “silverfish” with a rubber adhesive.Eternal pen
If beautiful ballpoint pen single-use (no refills) spent paste, it can be refilled using a conventional rod and a piece of polyvinyl tape. To begin with pliers or a dull knife remove the stylus pen and a new rod. Align their ends and wrap the joint with adhesive tape or strip of adhesive tape. It Read more…










