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
CASCADING FRONT
Closed furniture-type drawers or column with shelves needed for everyday storage of linen and easy home clothes. But after suburban papers you have heated your bath or sauna and made a...
Frost tests the tires
Winter has arrived, and the flow of motor vehicles on the highways of our country has noticeably thinned. The fleet of cars and motorcycles belonging to individual owners is almost...