About TOMOYOSE ATSUSHI
About 東大 大学院工学系研究科
About SODEYAMA KEN'ICHI
About 鹿児島県工技セ
About HIGASHI KAZURO
About プリンシプル
About Shirasu
About volcanic product
About Kagoshima prefecture
About water absorption rate
About weight reduction
About porosity(property)
About consumption
About production method
About block(object)
About flat plate
About pumice
About Shirasu plateau
About lightweight
About production method
About 大隅降下軽石
About local production and consumption
About 平板ブロック
About unused resources
About Mortar,concrete
About Igneous rocks in general
About シラス
About 平板