the psychrometric chart has seven lines
{"Image DocumentName": "The psychrometric chart has seven lines.", "Image ImageDescription": "A Absolute. Humidity Axis. B Specific Volume. C. Dry Bulb Axis. D. Relative. Humidity. Dew Point E. Enthalpy. F. Wet Bulb & Saturation Curve. G.", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}