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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Model glider, which we would like to tell the readers of the magazine, was built of the most simple and cheap materials. I think that its design will be of interest to novice modelers....
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After construction work in the suburban area is over, usually remains a lot of unused material: bars, rods, metal profiles, pipes. All this will be useful in further equipment built...