Japan Society of Maintenology, Tokyo (Japan); 551 p; Jul 2008; p. 519-520; 5. annual meeting of Japan Society of Maintenology; Mito, Ibaraki (Japan); 10-12 Jul 2008; Available from Japan Society of Maintenology, 7F, 2-7-17, Ikenohata, Taito, Tokyo, 110-0008 Japan; 2 figs.