It is easy to squeeze the toothpaste or cream from a tube full. But the thinner he gets, the harder it is to extract content from it. A simple knob, reminiscent of the key for the clockwork toys, will help to fully use all of his “stuffing.” For its production of steel plates with a thickness of 1-1,5 mm cut a T-shaped workpiece. Her narrow fold along the long side into a tube with an inner diameter of about 5 mm and a gap between the edges 3-4 mm Now, inserting zahlcovany the end of the tube in the slot and turning the knob, you can use its contents on all hundred!
Recommend to read
PRESS-EKSPRESS
If your intention is to re-bind the dilapidated books of your library, it makes sense to produce here is a simple device used as a press for trimming the worn out edges of the pages....
WEIGHTLESSNESS… IN THE CLASS
The phenomenon of weightlessness allow you to demonstrate on a normal school lesson original instrument, developed at the physics Department of the Khabarovsk pedagogical Institute, the...
