Definition(s) Flex Joint. A steel and elastomer assembly having central through-passage equal to or greater in diameter than the riser bore that may be positioned in the riser string to reduce local bending stresses.
The Master Naturalist Program is co-sponsored by the Wildlife Resources and State Parks and Recreation sections of the West Virginia Division of Natural Resources, Davis & Elkins College and the West Virginia University Extension Service.
Minnesota Master Naturalists are required to log 40 hours of volunteer service and participate in 8 hours of advanced training annually. The Minnesota Master Naturalist Program is a joint effort of the University of Minnesota Extension and the Minnesota Department of Natural Resources.