The training model “air combat”. The emergence in recent years of specialized model stores are relatively inexpensive and fairly powerful electric motors allow to transfer a number of classes of models to electric drive. The result was the appearance of the model aircraft new fans that previously stopped the need to get model engines internal combustion with all its attendant problems — their high cost, short lifespan, low reliability, problems with the acquisition of fuel components, the complexities of starting, running and operating.
ELECTRIC “BOUZOUKI”
Hardly anyone would dispute that the twentieth century was for the engineers of gold in the literal and figurative sense. Discoveries and inventions made in those years will be used more by many generations of earthlings, and some of them will be further developed.
This model is designed for pupils of 4-5 classes involved in a circle of the second year. At the regional competitions 1974 Sergei Lebedev, speaking with a model with the same contours and dimensions, took first place.
Do this for your son and he with the great pleasure will come to her and hang my towel. Because the hanger is this one with a secret. There are no hooks, arms-shoulders, and bring him a towel — and it hangs, and without any loops is kept so tight—you can’t steal. And then pulled — easily removed.
On holidays, transform the homes and streets of our cities, appear illuminations, banners and flags, flags, flags… And all that is necessary to assemble, install, and then when come everyday, be removed until the next time. And so every occasion. Hard, exhausting labor.
Application of herbicides helps to control weeds, but causes definite harm to the environment. In particular, significantly reduced the number of ladybugs and other beneficial insects, and earthworms — natural “outliner” of the earth.
or the engine that runs on… water. Recently, foreign media there was a sensational message: in France, built the internal combustion engine, the fuel for which is ordinary water. All development of the engine was conducted in an atmosphere of extreme secrecy:. still it is not known even the name of the inventor. Remains a mystery and the design of the “black box” set — top box to the engine where water is converted to fuel; statements by the press and the opinions of experts are contradictory.