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Concrete Grade C30. Смотреть видео: Understanding The Different Grades Of Concrete And Their Mix Ratio In Engineering, WHAT IS C 30 37 Or C 50 60 CONCRETE Concrete Nomenclature Concrete Cube Concrete Cylinder, REAL MEANING OF CONCRETE GRADE C15 C20 C25 C30 C35 Architecture Civilengineering Construction, Difference B W C30 And M30 ConcreteGrade Why Cube Strength Is Greater Than Cylinder Civil Engineer.