| • oil drilling | |
| तेल: oil greasing naphtha petrol gasoline tallow | |
| प्रवेधन: boring boring head drill drilling | |
तेल प्रवेधन अंग्रेज़ी में
[ tel pravedhan ]
| • oil drilling | |
| तेल: oil greasing naphtha petrol gasoline tallow | |
| प्रवेधन: boring boring head drill drilling | |
