This Factory Mutual System Approval Guide from 1990 is a valuable resource for anyone studying business studies. The guide is written in English and covers a range of topics related to equipment, materials, and services. The publication name is "Factory Mutual System A guide to equipment, materials & services" and the author is unknown. The book is available in a Trade Paperback format and is categorized under Textbooks, Education & Reference, and Books & Magazines. It is a must-have for anyone looking to expand their knowledge in this field.