Improving Indoor Air Quality Through Ductwork
{"Image ImageDescription": "A ventilation cleaner check for dust on it.", "Image Make": "Canon", "Image Model": "Canon EOS 5D Mark II", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS6 (Macintosh)", "Image DateTime": "2015:02:08 19:42:12", "Image ExifOffset": "1152", "Image XPTitle": "[65, 0, 32, 0, 118, 0, 101, 0, 110, 0, 116, 0, 105, 0, 108, 0, 97, 0, 116, 0, ... ]", "Image XPKeywords": "[100, 0, 117, 0, 115, 0, 116, 0, 59, 0, 32, 0, 109, 0, 97, 0, 110, 0, 59, 0, ... ]", "Image XPSubject": "[65, 0, 32, 0, 118, 0, 101, 0, 110, 0, 116, 0, 105, 0, 108, 0, 97, 0, 116, 0, ... ]", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1766", "Thumbnail JPEGInterchangeFormatLength": "7785", "EXIF ExposureTime": "1/125", "EXIF FNumber": "5", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2014:08:02 10:11:24", "EXIF DateTimeDigitized": "2014:08:02 10:11:24", "EXIF ShutterSpeedValue": "870723/125000", "EXIF ApertureValue": "290241/62500", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "65", "EXIF SubSecTimeOriginal": "18", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "4000", "EXIF ExifImageLength": "2667", "EXIF FocalPlaneXResolution": "5616000/1459", "EXIF FocalPlaneYResolution": "1872000/479", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Manual", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "1621000289", "EXIF LensSpecification": "[28, 70, 0/0, 0/0]", "EXIF LensModel": "EF28-70mm f/2.8L USM"}