Polyester filament for use in the manufacture of fabrics and yarn; polyester staple fiber for textile use; polyester fiber for textile use; fibers for textile use; raw fiber filament for use in the manufacture of fabrics and yarn; synthetic fiber filament for use in the manufacture of fabrics, yarn and polyester false textured yarn; synthetic fiber for use in the manufacture of fabrics and yarn; synthetic fiber, and synthetic fiber thread and yarn; porous hollow synthetic fibers for textile u...