About MORIYAMA YUKIKO
About 住友林業
About SAWADA YUTAKA
About FUJII YOSHIHISA
About OKUMURA SHOGO
About bridge (construction works)
About wooden wares
About manual handling task
About plate (material)
About bonding and joining
About machined surface
About water content
About aquameter
About gap
About service life
About fitting
About 木殺し
About Concrete bridges,ones built with other materials
About 木橋
About 敷板
About 接合面
About 水
About 浸入
About 伝統的工法