MIXTURES OF CEMENT, POZZOLANS, WATER, AND AGGREGATE; MIXTURES OF POZZOLANS, WATER, AND AGGREGATE; MIXTURES OF CEMENT, POZZOLANS, AND SAND; MIXTURES OF POZZOLANS AND SAND; MIXTURES OF CEMENT, POZZOLANS, SAND, AND MORTAR; MIXTURES OF POZZOLANS, SAND, AND MORTAR; CONCRETE, POZZOLANS-BASED CONCRETE
Nonmetallic Building Materials