This simple device facilitates the use of any tube, helping to squeeze it evenly and gently. It consists of a base in a hole which is inserted the tube, and turning a key with slit for exciting a planar end of the tube. The base and key are made of wooden bars of appropriate dimensions. Their interaction is clear from the figure.
Recommend to read
STARTER FOR REZINOMOTORNAYA
In the circle model airplanes syut city of INTA has designed an electric starter for starting resinator indoor models. He performed well at the national competition at the indoor model...
GARBAGE SEPARATELY AND PETROL SEPARATELY
Looking at the picture, the reader will notice that the use of plastic bottles as funnels. But the funnel offer may be a good filter, capable to protect the fuel system of your vehicle...