{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Backflow Protection for Residential Sprinkler Systems","author_name":"U.S. Department of Homeland Security U.Fire administration, Dr. Frederick L. Hart, Robert Till, Christine Nardini, Daniel Bisson","thumbnail_url":"https://www.ebooknetworking.net/books/148/266/big1482661411.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1482661411.html\">Backflow Protection for Residential Sprinkler Systems</a>","width":400,"height":300}