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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Bee house
Today we introduce readers to two such works, interesting above all because they address an area of home farming that is still only weakly covered by technical creativity: beekeeping. For...
WITH THE BALL IN THORNS
Old children's ball cut in half and put on garden shears, protects hands when cutting thorny plants.
