If you have a lot of time to measure the volume of the same liquid or granular materials, make the appropriate mark on the measuring circle, glued at the right level strips of adhesive medical tape. At the same time can be done on them and the labels which are specified died.
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STEAM VS. ICE
The frozen column gives a lot of trouble to the villagers: have to using the campfire to heat it for a long time. Offers a simple way of unfreezing columns. For this metal container with...
OIL FOR TWO-STROKE ENGINE
My article on the so-called separate lubrication system for a two-stroke engine was published in "Modelist-Konstruktor" No. 7, 1991. However, I still receive letters from readers...
