| • mechanical protective | |
| भौतिक: chemical environment physical assets physics | |
| रक्षण: conservation custody delivery preservation | |
भौतिक रक्षण अंग्रेज़ी में
[ bhautik raksan ]
| • mechanical protective | |
| भौतिक: chemical environment physical assets physics | |
| रक्षण: conservation custody delivery preservation | |
