| • pit props | |
| गर्त: water hole trough depression head gear senke | |
| टेक: burden chock buttress stay skid puncheon tower | |
गर्त टेक अंग्रेज़ी में
[ garta tek ]
| • pit props | |
| गर्त: water hole trough depression head gear senke | |
| टेक: burden chock buttress stay skid puncheon tower | |
