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
SIKORSKY S-76
In 1974, the firm Sikorsky started to create on the basis of a military helicopter S-70 the first commercial passenger 12-passenger helicopter. When designing new machines, great...
“SERVING” TABLE
If you take the end-of-century baby carriage and clamped on a plywood panel with holes and shelves, you can get a very comfortable truck to embed a whole set of tools to take care of a...
