| • mechanical barrier | |
| भौतिक: chemical environment physical assets physics | |
| रोध: bar blockage check debarment occlusion Scotch | |
भौतिक रोध अंग्रेज़ी में
[ bhautik rodh ]
| • mechanical barrier | |
| भौतिक: chemical environment physical assets physics | |
| रोध: bar blockage check debarment occlusion Scotch | |
