Hi dear friends, how are you? Today's my first blog ison a wise man Sher Shah Soori. It was sixteenth century. The King of India " Sher Shah Soori". He was in the field of battle faced. The enemy was fulfill with armed. It was impossible to see without a war to fight rust. Sher Shah had a sixteen-year-old grandson. He suggested to his grandfather the bags be packed with sand and he accepted his advice. Sher Shah, who are fighting to win the battle of the synthesis process. Since then, the invention is now used throughout the world.