Ko te kakahu waro he mea whatu, he mea whatu ki te turanga polyacrylonitrile (PAN) muka waro, ka wehea nei ki te kakahu waro wera, te peihana waro haehae waiariki, ka whakapakaritia, ka maro ano hoki te kakahu waro. Ka taea hoki te tango hei taonga whakapakari i te waro / waro hiato.