1 Subjects: “...united states history...”

2 Subjects: “...modular sensing unit...”

3 Subjects: “...Francis turbine unit...”

4 Subjects: “...bidirectional gated recurrent unit...”

5 Subjects: “...inertial measurement units...”

6 Subjects: “...micro inertial measurement unit (MIMU)...”

7 Subjects: “...gated recurrent unit...”

8 Subjects: “...unitized facade...”

9 Subjects: “...inertial measurement units...”

10 Subjects: “...inertial measurement units...”

11 Subjects: “...intensive care unit...”

12 Subjects: “...autoclaved aerated concrete masonry units (AAC)...”

13 Subjects: “...asymmetric machine-tractor unit...”

14 Subjects: “...orthogonal redundant inertial measurement units...”