About TSUTSUMI TAKUYA
About 北海道総合研究機構 北方建築総合研
About high-rise building
About snow accretion
About metropolitan sphere
About snow melting facility
About water proof material
About protective facility
About depth
About safety management
About capital region
About snow depth
About high-rise building
About protective facility
About snow drops
About water repellent
About Various buildings in genral
About 高層建築物
About 着雪
About 被害
About 対策