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.
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Simple technology for producing decorative items and ornaments offered by the magazine "Burda moden" for fans to make all their own hands. The gist of it is that the appearance of any...
