FLUID

False ceilings of metal, namely, metal ceiling tiles, metal ceiling panels, and metal coverings for ceilings; parts for false ceilings of metal, namely, metal beams, metal mirror hangers, and metal cassettes; suspended ceilings, false ceilings of metal, in particular slatted or flat ceilings of metal and felt-covered or textile-covered ceilings of metal, all comprised of metal beams, metal mirror hangers, and metal cassettes

[ Suspended ceilings, not of metal, in particular slatted or flat ceilings and felt-covered or textile-covered ceilings, comprised of non-metal ceiling tiles, non-metal ceiling panels, and non-metal coverings for ceilings ]