Thank you for viewing! This book covers the basic knowledge of the gas energy industry. If you are ready to buy, you can purchase it without a comment. I will be attentive in my dealings, so please feel free to ask any questions you may have. ☺️ Shipping will generally be via Yu-Packet Post (including mini). Depending on the size of the item, there may be changes between Rakuraku and Yuuyu. Bundling is welcome! Please note that this is a used item that was purchased new at a store and then used. As it is stored at home, please refrain from purchasing if you are looking for a perfect item. - Title: Understanding the Gas Energy Industry - Author: Yuji Kakimi - Publisher: Nihon Jitsugyo Publishing - Price: 1500 yen - ISBN: 978-4-534-05126-4