In everyday life there is often a need either to press or to put under the press has to resort to some kind of charge weights. However, a kind of the universal pressure can be a spring-loaded “clothespin” from portable lamps. B. VOLODIN
Recommend to read
MODEL-A COPY OF CHAMPION
In the laboratory, missile and space modeling of the Moscow city Palace of children's (youthful) creativity of the work on the creation of models-copies of the booster (PH) "Soyuz" was...
ON ONE WING
Not for the first ten years there is a class of experimental aircraft. It would seem that this time is sufficient to clearly determine the best scheme inflected wing", the most favorable...
