| • standard method of drilling | |
| मानक: criterion norm standard task high variety norms | |
| प्रवेधन: boring boring head drill drilling | |
| विधि: act regularity regulation rite rule ceremony fate | |
मानक प्रवेधन विधि अंग्रेज़ी में
[ manak pravedhan vidhi ]
| • standard method of drilling | |
| मानक: criterion norm standard task high variety norms | |
| प्रवेधन: boring boring head drill drilling | |
| विधि: act regularity regulation rite rule ceremony fate | |
