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.
Robert Whittaker. For other people with the same name, see Robert Whitaker (disambiguation). Robert Harding Whittaker (December 27, 1920 â October 20, 1980) was a distinguished American plant ecologist, active in the 1950s to the 1970s. Born in Wichita, Kansas, he obtained a B.A. at Washburn Municipal College (now Washburn University) in Topeka, Kansas, and, following military service, his Ph.D. at the University of Illinois.