Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       artefacta - artefacts
         Product group materials
           Product group fibers
             Product group manufactured fibers (FTC)
               Product group synthetic fibers
                 01 Product polyamide fiber (ISO)
                 02 Product polyester fiber (FTC)
                 03 Product acrylic fiber (FTC)
                 04 Product modacrylic fiber (FTC)
                 05 Product PLA fiber (FTC)
                 06 Product olefin fiber (FTC)
                 07 Product spandex fiber (FTC)
                 08 Product elastoester fiber (FTC)
                 09 Product [synthetic] rubber fiber (FTC)
                 10 Product vinal fiber (FTC)
                 11 Product chlorofibre (ISO)
                 12 Product fluoropolymer fiber (FTC)
                 13 Product PBI fiber (FTC)
                 14 Product novoloid fiber (FTC)
                 15 Product melamine fiber (FTC)
                 16 Product anidex fiber (FTC)
                 17 Product nytril fiber (FTC)
                 18 Product sulfar fiber (FTC)