About SAKAI HARUKO
About 奈良県森林技術センター
About treated wood
About Wood
About wood decay
About exposure test
About wood pile
About outdoor
About JIS
About performance evaluation
About outdoor exposure
About decay resistance
About 無処理木材
About 野外杭試験
About Improved wood
About Nature and structure of wood(=timber)
About Lumbering,processing
About 素材
About 処理木材
About 野外
About 耐朽性
About 評価