You need to carefully pour a viscous liquid (e.g. oil paint) from banks in a narrow-necked container or to fill in the gaps with the heated tar or mastic? Here you will rescue this type of nozzle, made of half cap from the same banks, tightly inserted in holes on the tube spout.
Recommend to read
-MODELS OF MISSILES
One of the interesting types of competitions rocketmodeler are launching models — a kind of miniature missiles. In the sporting code of the FAI and our "Rules"-models are represented by...
AVIATION WING
When the boy, fascinated by the construction of models racing yachts for the first time the opportunity to try their hand at the most important stage in the competition? Of course, in...
