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
“PERSISTENT” ASKS IN THE FLIGHT
So call your plane the club-model airplanes and their leader — Vadim B. Rumyantsev from the city of Privolzhsk, Ivanovo region, whose hands at the local station of young technicians...
AND UMBRELLA IS THE PLACE
In the hallway, even the smallest, there is always a place for clothes - any design hanger and shoes - a special floor rack or kolesnica. Even scarves, hats and gloves possible to...
