Concrete and masonry materials and products, namely, concrete and masonry blocks, interlocking pavers, paving slabs, joint and edges for pavement, namely, non-metallic edging to be added to blocks, pavers and slabs, filter fabric to minimize exfiltration of soil through the blocks, pavers and slabs, and sand to construct, namely stairs and steps, driveways, terrace walls, serpentine walls, planters and pavements of all types