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
Dolphin learns to swim
What should you give preference when designing an amphibian: teach it to swim well, turning it into a boat on wheels, or let it run well on land and slowly overcome water obstacles? This...
GLASS INCUBATOR
This simple incubator can become a reliable assistant in every household, it will save you from annoying spring and the worries associated with the acquisition of their farms for...
