| • keep's hardness test | |
| कीप: funnel buckner funnel infundibulum | |
| कठोरता: acrimony rigor acerbity unkindness toughness | |
| निकष: criterion touchstone criteria gold tester | |
कीप कठोरता निकष अंग्रेज़ी में
[ kip kathorata nikas ]
| • keep's hardness test | |
| कीप: funnel buckner funnel infundibulum | |
| कठोरता: acrimony rigor acerbity unkindness toughness | |
| निकष: criterion touchstone criteria gold tester | |
