The Non-Engineered Ballasting Tool (NEBT) is available for members only of the Tent Rental Division (TRD) of the Advanced Textiles Association (ATA), formerly IFAI. ATA grants you a personal, revocable, nonexclusive, nontransferable license to use the Non-Engineered Ballasting Tool (NEBT). To see more information view Non-Engineered Ballasting Study under Resources.