Suitcases on wheels is widespread. But what if, going on a long journey, you take, except for the small suitcase, and even other things! Take a handle, a hook of steel wire— and all the load will ride on the same wheels.
Recommend to read
THE BIKE CHANGES SHAPE
Over the two centuries since the invention of the bike any ideas arose equipping it with a variety of engines: internal combustion, electrical, flywheel, and even sails. However, the...
“MAXI” PASSES THE EXAM
How much mystery was associated with this unusual machine! Journalists called it nothing more than a “nameless car.” And this is understandable - the designers were in no hurry to reveal...
