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
FULL KVADR
Introducing the ATV, our constant author S. Pletneva from the city of ocher, Perm territory. Once they built the machine indicative of the increased level of development and skills of...
SUITCASE-TRAILER
You are going on vacation? Certainly your companion will be a heavy suitcase. Just to carry this heavy hand is not necessary. Miniature two-wheeled cart will turn it into a kind of...
