19 asphalt; asphalt paving; asphalt paving compositions; barricades, not of metal, for roads; blocks of concrete; boulders; bricks; building sand; building stone; cement blocks; cement mixes; clay for use as building material; clinker stone; concrete; concrete aggregate; concrete blocks; concrete bollards; concrete bricks; engineered stone flooring; epoxy resin-based slabs manufactured using crushed recycled rock and glass for building purposes; gravel; grout; mortar; mortar for building; mortar mix; natural stone; natural stone slabs and tiles; paving blocks, not of metal; paving stone; rubble; sand; stone for building and construction