If a barrel is poured in the vegetable garden or cistern in the shower — the water level in them will tell you a simple water-measuring device consisting of a Styrofoam float and stuck to his line or rod with the labels. For greater stability of water-measuring devices are required on the barrel to put the bar with the guide bushing.
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WELDING… WATER
I'm a longtime subscriber of your magazine, use a lot of printed in it. I especially liked the article "Fire... of water", published in "M-K" № 7, 1980. The description made the cell,...
THE NEW ZEALAND TANK BOB SAMPLE
At the beginning of world war II the threat of Japanese invasion on the island of New Zealand growing by the day. The country was in danger, not having any modern weapons. Under these...
