Usage History of 'ferrosilicons'

The following chart shows how frequently 'ferrosilicons' appeared in printed materials over time. For example, the word 'ferrosilicons' occurred 4 times in books in 1891 and 16 times in 2006. From 1891 to 2006, the word 'ferrosilicons' was used a total of 527 times in books scanned by Google. See Reference: Google Ngram project.

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