When you need to pour the liquid in a bottle with a narrow neck, you always use the old reliable and proven method: inserted into the hole daddy or thin wire of a suitable diameter so as not to touch the walls. The liquid in this “vortex” flows gently and smoothly.
Y. BOGOYAVLENSKIY, Kazan
Recommend to read
ON AQUADROME TORPEDO
This little torpedo boat continues a series of models for competitions. The model is simple to manufacture and has good driving characteristics. Construction begins with the...
CORD AIRBOAT
Today our story is about the original high-speed input developed in the circle of children's club "Iskatel". Designed for the most advanced scheme, it contains a number of technical...