A detailed diagram of the Air Dryer on the WCAM3. Can anyone tell me what this diagram means?

Date: 2005-01-15
Owner: Pawan Koppa
Full size: 1280x960

Photo Properties
Summary  Details
Make Vivitar Model Vivicam 4100
Aperture Value f/3.4 Color Space sRGB
Exposure Program Program Flash No Flash
ISO 100 Metering Mode Center Weighted Average
Shutter Speed Value 1/60 sec Digital Zoom Ratio 0
Date/Time 2005 Jan 15 09:42:12 +0000