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
ORDINANCES CHROME PLATING
In the "M-K" No. 8 for the year 1991 was published an article devoted to the technology of processing of shells for cylinder-piston pairs of current model engines. Judging by the...
THE MOTOR-PLOW — WHEELS OF… CONCRETE
Well, the small tillers, in which the working body — a milling cutter biting into the ground with its rotating blades, it not only loosens the soil but also helps the tillers to move, as...
