"copper" in inglés with examples - Collocation dictionary inglés
- In the Lower 48, mines were digging up ore that contained 2% copper.
- Initially thought to be due to the accumulation of silver, they were first demonstrated to contain copper in 1934.
- The key respiratory compounds contain neither iron nor copper; no metal at all, in fact.
- Additionally, as the power supplies contained expensive copper this further reduced cost.
- Objects from the 10th century have been found containing copper from the mine.
- It was the first reported perovskite superconductor that did not contain copper.
- Initial surface analysis has shown that the metal contains 11% silver and 0.5% copper.
- The dredged sand contained copper that earlier stamping technology had not been able to separate out.
- The metal in the bracelet is a gold alloy that contains copper.
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