It is an alloy called duralumin which contains aluminium andd other metals and is lighter and stronger than aluminium.Read more about it on wikipidia
You use it to make aeroplanes
Various Alloys of Aluminum, Steel, Cooper, Magnesium and titanium.
aeroplanes
they are stored in a hangar. which is pretty much like a giant garage for aeroplanes ;]
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Most toy aeroplanes are made from plastic. Real planes are made from various metals.
Airplanes are still widely used by the general public when travelling long distances.
The collective nouns for aeroplanes are a flight of aeroplanes or a squadron of aeroplanes.
aluminum
titanium alloy
Faster aeroplanes.
Modern aeroplanes use many microchips in their navigation systems, radio systems, climate control, engine management and other places.