{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Examination Questions for Certificates of Competency As Mine Inspector, Mine Foreman, Mine Manager, Fireboss, Hoisting Engineer, Etc. As Given by the State Examining Boards: Together with Answers","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/114/299/big114299399X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-114299399X.html\">Examination Questions for Certificates of Competency As Mine Inspector, Mine Foreman, Mine Manager, Fireboss, Hoisting Engineer, Etc. As Given by the State Examining Boards: Together with Answers</a>","width":400,"height":300}