19 Brickwork and masonry support systems of non-metal; Brickwork or masonry supports of non-metal; Building and construction materials and elements made of sand, stone, rock, clay, minerals and concrete; Brackets, not of metal, for building; Front-fit loading nonmetallic masonry support system for masonry, brickwork, stonework and blockwork; Non-metallic soffits and soffit boards; flashing, not of metal, for building; linings, not of metal, for building; Lintels, not of metal; Non-metallic masonry anchors; Brick-slips; Masonry blocks; Building stone; Building elements of concrete; Non-metallic Building bricks; Adhesive mortar for building purposes