... fly ash, cinder, slag, gangue, gravel, perlite, and other industrial wastes.Applied Productsconcrete blocks, solid/hollow/cellular masonry products, paving stones with ... face mix, garden and landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks, etc.Applied Fieldswidely used in buildings, road pavers, squares, gardens, landscaping ...