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
RAPID SNOW RAID
SNOWMOBILE RF-8-GAZ-98. Snowy and cold winter of 1941/42 created the conditions for widespread use we combat and transport equipment. "Hint" the Russian winter has been perceived by our...
HIDDEN COLUMN
In older homes often the meter mounted in a small wall niche not only Can decorate it, but generally prudently to use this space, embedding here a simple rack-column Design it is not...
