A hard surface layer that forms over material.
कड़ा सतह
English Usage: The earth's crust is made up of tectonic plates.
Hindi Usage: धरती की कड़ी सतह टेक्टोनिक प्लेटों से बनी है।
kadhi satah, kadhi sath, kadi satah, kadi sath, kadhi satha, kadi satha, khadi satah, khadi sath
