Solve sample papers to get familiar with the type of questions and how to answer them. Complete as many practice questions as possible for each topic. How To Prepare for SSC Steno General Awareness? Knowledge of current events of national and international significance is assessed in this section...
using different grades of emery papers. Final polishing was done using the diamond compound (1 mm particle size) slurry in a disc-polishing machine. A solution containing 5 g ferric chloride, 2 ml hydrochloric acid and 95 ml alcohol was used to etch the coatings and ...