| • coking coal mines | |
| कोककारी कोयला: coking coal | |
| कोयला: carbon coal collier brown coal lignite fuel | |
| कोयला खान: coal mines colliery | |
| खान: mine repertory working workings khan pit coal pit | |
कोककारी कोयला खान अंग्रेज़ी में
[ kokakari koyala khan ]
| • coking coal mines | |
| कोककारी कोयला: coking coal | |
| कोयला: carbon coal collier brown coal lignite fuel | |
| कोयला खान: coal mines colliery | |
| खान: mine repertory working workings khan pit coal pit | |
