1 Subjects: “...OWA operator...”

2 Subjects: “...machining operations...”

3 Subjects: “...operations strategy matrix...”

4 Subjects: “...sustainable operations...”

5 Subjects: “...Operator 4.0...”

6 Subjects: “...fraction operator...”

7 Subjects: “...HVAC operation...”

8 Subjects: “...operational models...”

9 Subjects: “...operational restrictions on facilities...”

10 Subjects: “...operational restrictions on facilities...”

11 Subjects: “...operability study...”

12 Subjects: “...operative dentistry...”

13 Subjects: “...operational assistants...”

14 Subjects: “...operational benefits...”