New York City Department Injury Report

This article reports on sanitation workers being cut by hidden sharp objects in trash bags.  In 2010 "there were hundreds of separate incidents in which sanitation workers were seriously cut by glass."  litelift bags can significantly reduce these types of injuries.
http://m.timesnewsweekly.com/node/32100
Click the link below to view the full injury report.
http://www.aaem.pl/pdf/9741_91.pdf