1 Subjects: “...domestic hot water...”

2 Subjects: “...hot box...”

3 Subjects: “...R-ratio...”

4 Subjects: “...AV2R...”

5 Subjects: “...Freon R134a...”

6 Subjects: “...Freon R134a...”

7 Subjects: “...hot airflow...”

8 Subjects: “...hot airflow...”

9 Table of Contents: “... and references -- Mapping hot research areas -- Government funding R&D -- New players in research -- Information...”