1 Subjects: “...tobacco smoke...”

2 Subjects: “...interaction between smoke and evacuees...”

3 Subjects: “...interaction between smoke and evacuees...”

4 Subjects: “...smoking...”

5 Subjects: “...smoking...”

6 Subjects: “...second-hand smoke...”

7 Subjects: “...smoke taint...”

8 Subjects: “...smoke...”

9 Subjects: “...smoke opacity...”

10 Subjects: “...smoke segmentation...”

11 Subjects: “...smoke segmentation...”

12 Subjects: “...smoke opacity...”

13 Subjects: “...fire and smoke detection...”