Non Ferrous Extractive Metallurgy

Course Description :
Lecture Series on Non-ferrous Extractive Metallurgy by Prof.H.S. Ray,Department of Metallurgical & Materials Engineering,IIT Kharagpur.


2 comments:

  1. if it's already black and you just want to return the luster, jet a can of spray on silicone, works well and is water proof
    http://www.dynaselimpex.com/stock/non-ferrous-metal/compressor-sealed-units-scrap.html

    ReplyDelete
  2. These are excellelent series of lectures by Prof HS Ray.
    However, the sound qualities of the video lectures can be improved

    ReplyDelete