I hope these work

Canada and work place safety - serious stuff

http://youtube.com/watch?v=Qf_LWq88H5I

http://youtube.com/watch?v=bUu0lVN6Nhw

http://youtube.com/watch?v=0Haa4QImf40

http://youtube.com/watch?v=Fb22mvWavsc

 Not for the squeamish.

> http://www.youtube.com/watch?v=noFCekWiUGE