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
PORTABLE BUT DURABLE
The bed design is offered to the readers of the magazine, outwardly differs nothing from the purchase, but has dignity, and to connect that our furniture industry is still unable...
SCOOP IMPROMPTU
A fluid or oil is supplied to market in plastic canisters of different capacities. A worn or leaky thrown into the garbage. However, one can do some useful things — for example,...
