1.1 This terminology may be general, but is represented here for application in the realm of Subcommittee E35.30. These terms are quoted from Penn et al and are reiterated here so that people using E35.30 standards can all interpret the terms in the same way in discussions, applications, and revisions of the standards. The applicability of these terms to general use has not been examined by Subcommittee E35.30.