| • rock sample | |
| शिला: rock Rock Stone grindstone metamorphic rock rock | |
| प्रतिदर्श: model sample sampler order soil sample specimen | |
शिला प्रतिदर्श अंग्रेज़ी में
[ shila pratidarsha ]
| • rock sample | |
| शिला: rock Rock Stone grindstone metamorphic rock rock | |
| प्रतिदर्श: model sample sampler order soil sample specimen | |
