{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The effects of straight ladder setup and usage on ground reaction forces and friction requirements during ascending and descending [An article from: Safety Science]","author_name":"C.C. Chang, W.R. Chang, S. Matz","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RR/bigB000RR5YRK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR5YRK.html\">The effects of straight ladder setup and usage on ground reaction forces and friction requirements during ascending and descending [An article from: Safety Science]</a>","width":400,"height":300}