| • rubbing block • rubbing stone | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
| पत्थर: concrete hail silica stone rock Stone caillou | |
घर्षण पत्थर अंग्रेज़ी में
[ gharsan pathar ]
| • rubbing block • rubbing stone | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
| पत्थर: concrete hail silica stone rock Stone caillou | |