Section 1. Policy. Copper is a critical material essential to the national security, economic strength, and industrial resilience of the United States. Copper, scrap copper, and copper’s derivative ...
Japan, Spain and South Korea issued a rare joint statement on Wednesday expressing deep concerns over tumbling copper ...
Copper smelting dust, a by‐product of the copper refining industry, contains not only hazardous arsenic but also valuable metals such as copper, zinc, lead, bismuth and others. The effective treatment ...
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