19 Buildings, not of metal; crypts, not of metal; prefabricated architectural columns, not of metal; funerary monuments, not of metal; funerary slabs, not of metal; tomb plaques, not of metal; funerary stelae, not of metal; enclosures of tombs, not of metal; tombstones, not of metal; slabs, not of metal, for building; grave slabs, not of metal; gravestones; stones to bury; funerary stones; cladding, not of metal, for construction; wainscotting, not of metal; cladding, not of metal, for building; tombstone plaques, not of metal; tombstones or gravestones not of metal; tomb framing, not of metal; tombs, not of metal