??? Can you explain your question more??
Duke Ellington, the <span>American composer, pianist, and bandleader of a jazz orchestra, which he led from 1923 until his death in a career that spanned over fifty years.</span>
The Bessemer process<span> was the first inexpensive industrial </span>process<span> for the mass production of steel from molten pig iron before the development of the open hearth furnace. Therefore, the answer your looking for would be steel. :)</span>