figures for 2001 and 2002 indicate that while only 249 people died in accident at work ( a decrease of 15% from previous years ) , there were 27,477 non - fatal major injuries , including amputations eye injuries , and broken arms and legs , and over 127,000 injuries which were less serious but still kept the employees out of work for over three days . two of the main causes of non fatal injuries are slipping and tripping up (37% of the total )