After the success of Vol-1, now here is Vol-2, Vol-1 is very much liked by people. There was a time when people did not share their knowledge in public and his knowledge used to be buried with him but he did not tell anything throughout his life. But I want to share my rich experience with people before dying. The practical knowledge is an important part of life, which is not found in books, this volume contains unprecedented experience of my chemical & fertilizers industries experience. This volume contains Urea HP/MP/LP/Vacuum and waste water questions & answer with trouble shooting.