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
WHEN NOT TOUCHED
If you can't make it to Chuck to turn the light bulb and no ladder or chair will help you simple device from a dense paper and two rubber bands.
CHARGING WITH THE PREVENTION
In the process of operation acid batteries gradually sulfation of the plates which reduce capacity and shorten the life of the device. To eliminate this undesirable phenomenon, a special...
