Refers to the type of ore that does not contain significant amounts of valuable minerals and is often considered to have a low yield.

कम मूल्य वाली खनिज सामग्री

English Usage: The mine primarily extracted lean ore, which produced little profit for the company.

Hindi Usage: खदान मुख्य रूप से कम मूल्य वाली खनिज सामग्री निकालती थी, जो कंपनी के लिए थोड़ा लाभ देती थी।