Single Tow AFP Head The Manufacturing Science Division at Oak Ridge National Laboratory (ORNL) is seeking to purchase a Single Tow AFP-XS System. See Attachment A - RFQ454915 Bill of Materials and Att... Single Tow AFP Head The Manufacturing Science Division at Oak Ridge National Laboratory (ORNL) is seeking to purchase a Single Tow AFP-XS System. See Attachment A - RFQ454915 Bill of Materials and Attachment B - AFP Head Technical Requirements for further detail.