About SAITO TOSHIYUKI
About ジェイテクト
About slideway
About tribology
About machine tool
About machine tool element
About transporting machine
About action
About refloatation
About slip(mechanics)
About superimposed load
About contact pressure
About surface pressure
About frictional resistance
About hydraulic lift
About feed
About contact pressure
About Machine tool elements,jigs,chucks
About トライボロジー
About 応用
About オイル
About リフト
About 案内面