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
TWO MODELS FOR THE WEEK
Enjoy well-deserved popularity at start-avtomodelistov kordovye racing snowmobiles and cars. Probably every athlete, behind which there is victory, not the competitions of the highest...
UNDER ONE ROOF
Summer in the village - the most stressful time. And not only in connection with the preparations for the winter, but also in construction. People are building new homes, expanding their...