Even though rings are so culturally charged, there are not many rules that are really attached to them. To give you an example, the right-hand-left-hand issue cannot be answered with an irrefutable argument. In short, there are no strict rules about the hand on which you should wear your ring(s).
Canadian GAA is the informal name by which the Canadian County Board of the Gaelic Athletic Association is usually known. It is one of over 30 regional executive boards throughout the world.
The Canadian Standards Association is a private, not-for-profit organization certified by the Standards Council of Canada for the development of standards. The CSA Technical Committee on Wood Preservation oversees revisions to the O80 series of standards.