The end of last winter was marked by the “epochal invention” is a rambunctious boy came up with the most slippery in the world of galoshes, which they successfully used for downhill from the mountains. The basis of such overshoes-ski (ha-ski?) became a two-liter bottle of soda water in it (carefully) cut a hole in which some interference should enter the winter boot.
Recommend to read
THE KNOB UNDER ANY TAP
Even for a small set of hand tools for hand tapping in the holes — you need to have several a ratchet (or one — with several square holes). As shown, more convenient universal — sliding...
SIMPLE RECEIVERS ON TRANSISTORS
First steps in radio, many often begin with independent fabrication of a transistor radio. Along the way, introduces the electronic components, acquired the skills in installation and...