commercial ore meaning in Hindi

Examples

1. Combustion Engineering acquired Commercial Ores in 1965 and then sold it in 1971.
2. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores.
3. A company named Commercial Ores mined the Henry's Knob site during the 1950s and 60s.
4. It has been credited in the discovery of over 25 commercial ore deposits, representing tens of billions of dollars.