Aluminum is used to make airplanes. cast iron is used to make weightlifting equipment. explain why the densities of these metals make them useful for these purposes

Well first of all aluminum is light and easy to make things with, second iron can be used to make weights and what not because iron has a high density level therefore making it heavy but transportable.

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where is the musée d'orsay? to lyon in paris in the suburbs 2. what was it originally? it was a station. it was a theater. it was a museum. 3. in what year is the building inaugurated? in 1939 in 1900 in 1986 4. who was his architect? orsay orson welles victor laloux 5. in what year is the building transformed into a museum? in 1986 in 1900 in 1939 6. in which art is the museum mainly dedicated? to nineteenth-century art to impressionist art to twentieth-century art

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