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
BED-TRAVELER
Many use the sofa-"book", which is a simple movement converts into a bed for two. There was such a we — Krasnodar production; he had for many years. He has a lot of advantages: good...
ICE IS NOT TERRIBLE
Suddenly hit a thaw after a frost can cause a lot of trouble. On the sidewalks and the streets turned into a real ice rink, go is not easy, especially for the elderly. But ice is not...