Both Thomas and Roylance said the Kevlar weave deficiency could be caused by an accidental error made in the factory or an effort by the company to increase profit margins by using less material.

• 托马斯和罗仑斯说凯夫拉尔织法缺陷可能由于工厂的一次偶然误差；或公司通过使用较少材料增加利润而造成的.