Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
“Back pre-1970s, I’m guessing a lot of copper was coming from a lot higher-grade mines … as we’ve been mining more and more of these large-scale deposits that are low grade, the cost on a per-pound basis has gone up.”