{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Assessment and determination of illumination needs for operators of mobile surface mining equipment","author_name":"Alan G. Mayton","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HK/bigB003HKR97M.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HKR97M.html\">Assessment and determination of illumination needs for operators of mobile surface mining equipment</a>","width":400,"height":300}