This book is Helpful for All the section .Because This Book Contain Heavy Metal .Heavy Metal Impact Our Daliy Life. Now It is Burning Factor Of World. Now Many Development Country Are Trouble For Heavy Metal. Heavy Metal Like Lead,Arsenic,Cadmium are Found In Vegetable,Water, Chocolate etc. This Book Cover The Analysis Method Of Heavy Metal By Various Instrument, Toxicology Factor of Heavy Metal,There Effect In Our Body,How Heavy Metal Intake Our Body And WHO limitation Of Heavy Metal.I Hope This Book Helpful For Everyone. Это и многое другое вы найдете в книге Heavy Metal (Suparna Kumar Das)