Another art project from a five-liter bottles — the mouthpiece, which are used by the tourists. You only need to cut off the bottle bottom and the mouthpiece is ready. If “communication” it is alternately applied to the lips (the transmission), then to the ear (receiving), and the range of communication on the water with a pair of such horns, it turns out considerable — under favorable conditions up to a kilometer.
Recommend to read
THE MOST ELEGANT
(The end. Beginning at No. 11'2004) Flying boat MDR-6. Flying boat I. V. Chetverikova has been used in our country in almost all fleets. The beginning of the great Patriotic war in...
THE SHUTTERING OF ROOFING MATERIAL
When the construction of the Foundation of the country house as a series of concrete columns are usually used wooden formwork. However, it is much easier to use for concrete formwork is...
