heating system check guide
{"Image Make": "Apple", "Image Model": "iPhone 6s Plus", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS2 Windows", "Image DateTime": "2017:06:05 13:44:03", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "232", "GPS GPSLatitudeRef": "N", "GPS GPSLatitude": "[42, 2, 237/20]", "GPS GPSLongitudeRef": "W", "GPS GPSLongitude": "[71, 16, 733/20]", "GPS GPSAltitudeRef": "0", "GPS GPSAltitude": "5579/87", "GPS GPSTimeStamp": "[16, 6, 26]", "GPS GPSSpeedRef": "K", "GPS GPSSpeed": "0", "GPS GPSImgDirectionRef": "T", "GPS GPSImgDirection": "30584/295", "GPS GPSDestBearingRef": "T", "GPS GPSDestBearing": "30584/295", "GPS GPSDate": "2016:12:17", "GPS Tag 0x001F": "5", "Image GPSInfo": "812", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1218", "Thumbnail JPEGInterchangeFormatLength": "6045", "EXIF ExposureTime": "1/311", "EXIF FNumber": "11/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "25", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2016:12:17 11:06:26", "EXIF DateTimeDigitized": "2016:12:17 11:06:26", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ShutterSpeedValue": "3379/408", "EXIF ApertureValue": "7983/3509", "EXIF BrightnessValue": "1417/174", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, auto mode", "EXIF FocalLength": "83/20", "EXIF SubjectArea": "[2006, 1504, 2213, 1326]", "EXIF SubSecTimeOriginal": "778", "EXIF SubSecTimeDigitized": "778", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1600", "EXIF ExifImageLength": "900", "EXIF SensingMethod": "One-chip color area", "EXIF SceneType": "Directly Photographed", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "84/41", "EXIF FocalLengthIn35mmFilm": "60", "EXIF SceneCaptureType": "Standard", "EXIF LensSpecification": "[83/20, 83/20, 11/5, 11/5]", "EXIF LensMake": "Apple", "EXIF LensModel": "iPhone 6s Plus back camera 4.15mm f/2.2"}