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
AND GLASS, AND WOOD
Both homemade, placed on this page, came up with the famous Ukrainian pedagogue Nikolai Nesterovich DELIK. Any figurines of glass can be cut universal electric glass cutter is a very...
MICROLITE AT HOME
Castings from nonferrous metals and their alloys used in engineering a lot, including quite complex and miniature, batch production can afford only company with precision technology....