Ajuiɛɛr ye cɔl 'gear structure', ye cɔl 'reverse feed structure', ye cɔl 'internal winder', ye cɔl 'flexible operation', ye cɔl 'smooth operation', ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread' ye cɔl 'sewing thread'.