Dhaatu vigyan

Dhaatu vigyan (Metallurgy), dhaatu ke adhyan hae. Isme dhaatu aur uke alloys ke properties ke adhyan karaa jaae hae aur [[masiin] banaawa jaae hae jisse dhaatu ke aur garrha (concentrated) banaawa jaae hae, dhaatu ke jamiin me se nikaal ke chamkaawa jaae hae.

vibhag:D
vibhag:Tekniki