This Factory Mutual System Approval Guide from 1993 is a comprehensive textbook that provides a detailed guide to equipment, materials, and services. The book is written in English and is available in trade paperback format. It covers various aspects of business studies and is perfect for those looking to expand their knowledge in the field. The publication name is "Factory Mutual System A guide to equipment, materials & services" and the author is unknown. This book is a must-have for anyone interested in the subject of business studies and is sure to provide a wealth of information.