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Book Description paperback. Condition: New. Language:Chinese.Pages Number: 97 Publisher: China Agricultural Science and Technology Press Pub. Date :2006-1-1. This book readers to ordinary farmers. describes the construction of biogas digesters. management and maintenance technology. the utilization of biogas technology and biogas The correct and safe use of such content. Contents: The first part of the understanding of methane 1 What is gas 2 gas from which gas is composed of 3 gas which uses 4 What are the benefits to build digesters . Seller Inventory # LC2430