A thermal imaging image displays a yellow rectangle with white lines, labeled "P3" and "P1" on the left and "P2" and "P5" on the right. A vertical temperature gradient is shown on the right, with "90.0°C" at the top, "70.0°C" at the bottom, and "30.0°C" at the very bottom. The text "HS1" is visible in the bottom right corner.