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.
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COMPACT ELECTRO-SOLDERING IRON
I have improved the conventional electric soldering iron. It turned out lightweight and compact (see Fig.), you can carry even in your pocket. It is easy to make and a beginning radio...
Give the trunk aerodynamics too!
To begin with, I suggest that car‑enthusiast readers run a small experiment. Next time you drive out of town, stop on a high‑speed stretch of highway and watch the passenger cars rushing...