Lorry loading. Chock wheels if possible
Take precautions to ensure that lorries don't move when they are being loaded/unloaded. In a perfect world the lorry wheels would be chocked although most lorry drivers don't normally cary chocks around.
The following slides list the other precautions to be taken.
Read this longer article by Jake Stewart about loading bay accidents on Toyoya's blog.
Disclaimer. The legislative information contained on this web site is my interpretation of the law based on many years in the health and safety business. A definitive interpretation can only be given by the courts. I will therefore not be held responsible for any accident/incident/prosecution arising as a consequence of anyone using any information obtained from this web site.