Answer:
Bessemer
Explanation:
The Bessemer process was so fast (10–20 minutes for a heat) that it allowed little time for chemical analysis or adjustment of the alloying elements in the steel. Bessemer converters did not remove phosphorus efficiently from the molten steel; as low-phosphorus ores became more expensive, conversion costs increased.
Longer life span and more understandings of our body
He appears to deliver <span>the State of the Union address.
</span>
