1592952524000 1312632483000 term-1646 1616540965540 1312632485000 1616289733583 adlib fitz-online adlib-term-1646 051b2c59-07b3-3101-979e-614df91f58cf 2 reference term-2453 adlib-term-2453 203d710f-fe02-39d1-82e8-94bc76fbb334 structural failures 1 structural failure structural failure term