About MIKAMI TAKAMASA
About 月刊建築仕上技術
About floor
About performance evaluation
About hardness test
About overturn
About collision
About head(body region)
About drop test
About impact load
About acceleration(ratio)
About tolerance limit
About measuring instrument
About Floors,ceilings
About 床
About 評価方法
About かたさ
About 振動性
About 転倒
About 衝突