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
IRRIGATION ON THE BALCONY
Equipping the balcony watering flowers system you get rid of weight trouble. How to do it — it is clear from the figure.
SILVER ANT
What does a mini-tractor "Ant"? What lies behind the pleasing to the eye successful? Indeed, the kinematics here the best way to meet the design intent. Engine — single cylinder,...
