refining of metal वाक्य
उदाहरण वाक्य
मोबाइल
- The mining and metallurgic industry includes the extraction, foundry and refining of metal and non-metallic minerals.
- The Government relinquished exclusive control over exploration, mining, smelting, and refining of metals and fuel minerals.
- Mexico's mining and metallurgic industry encompasses the extraction, foundry and refining of metal and non-metal minerals.
- Workers can be exposed to cadmium in air from the smelting and refining of metals, or from the air in plants that make cadmium products such as batteries, coatings, or plastics.
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