Pouring solutions of chemicals in the bottle, Amateurs are plastic or glass funnels. First trouble do not deliver: special ribs on the outer surface do not allow them to fit snugly to the necks, and displaced fluid with the air out of the bottles without interference. Edge for glass can be formed by bending, as shown in the figure, the cut copper wire Ø 1 mm.
A. KAMALOV, Obninsk, Kaluga region
Recommend to read
THE SILHOUETTE WILL TELL THE PLACE
It is convenient to use the tool, hanging on the vertical wall panels, where each key, the screwdriver, the nail file has its own location. So at the end of the work cleaning of...
“DON QUIXOTE” YAROSLAV YANOVSKY
Amateur microelectroni becomes more and more tangible scale. We can safely say that the passions of individuals it has become a new and, moreover, a massive kind of scientific and...
