
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
THE SPRING AND THE FUEL LINE
It would seem, are incompatible. However, wound in a spiral wire can be very useful in the power system. Soft hose connecting the jet engine to the tank, sometimes become a reason for...
RC MODEL HELICOPTER
Lately in the aviation modeling widespread flying models, radio controlled, including helicopters. For the first time such a model was demonstrated in 1959 at the all-Union competition...