4:00 PM - 4:15 PM
*Izumi Sakamoto1, Yuta Katagiri1, Mei Ikeda1, Soshi Shibao1, Yuka Yokoyama1, Mori Kouki2, Yusuke Sato3, Michio Tanahashi4 (1.School of Marine Science and Technology, Tokai University, 2.Graduate school of Chiba University, 3.Marine Works Japan LTD, 4.Kaiyo Engineering CO., LTD)