The 2021 Uniform Plumbing Code with Tabs is a comprehensive textbook published by the Iapmo Group, authored by the International Association of Plumbing and Mechanical Officials. This educational resource, with over 600 pages, is designed for adult education and further education levels, covering subjects related to plumbing and mechanical systems. With illustrated content, this book is suitable for various levels of proficiency, from beginner to advanced, and is written in English language for a wide range of readers. Perfect for exam preparation and general educational purposes, this textbook is a valuable resource for those interested in the field of plumbing and mechanical systems.