https://vocabularyserver.com/psh/en/https://vocabularyserver.com/psh/en/xml.php?skosTema=193synthetic fibres https://vocabularyserver.com/psh/en/xml.php?skosTema=193 textile fibres BT https://vocabularyserver.com/psh/en/xml.php?skosTema=193 acetate fibres UF https://vocabularyserver.com/psh/en/xml.php?skosTema=193 viscose stable fibres UF https://vocabularyserver.com/psh/en/xml.php?skosTema=193 polyurethan fibres UF