FDS is happy for material, illustrations and articles on this site to be used for educational or personal use, provided that FDS is acknowledged as the source of this material. Use of material on this website for purposes other than educational or personal use must have prior authorisation from FDS.
In some cases the copyright for articles or images on this site may held by someone other than FDS. All rights are reserved on such material and permission to use them must be requested from the copyright owner. The source of any such material will be indicated on our website where relevant.