The first planes were built of plywood. They were light, but slow moving. They could outrun the car. A strong motor in place was impossible: too heavy for aircraft plywood. Everyone understood that the metal plane safer. Only would find the lightweight and durable metal. Steel – will not do, they're heavy for aircraft. Here and rescued aluminum.
Aluminum has become the main material for building aircraft. The more powerful planes are, the faster they fly, the more for They need to aluminum. Many details in the space shuttle is made of aluminum. There was a time when the demand for aluminum was low. For the whole year around the world melted thirty tons of aluminum, and he does not find application. Now worldwide smelt aluminum for more than three million tons a year, and tomorrow will require more and more! Aluminium is also used for building ships. You see how necessary aluminum.
And not only for flights in the air, but also for navigation on water. Aluminium and earth works, and even how many cases have found for him! Began to build railroad cars made of aluminum – the speed of trains increased. Tasted of aluminum to make parts of different machines – and machines have become easier. A they work better. Speak so that aluminum is born of electric shock. This is because for aluminum smelting is necessary to spend a lot of electricity. At present, increasingly replacing copper wires with aluminum, they are much easier. Aluminum makes kitchen and tableware. Mirror illuminator that casts a bright beam into the night sky, made of aluminum. Every year for aluminum are new cases.