caption: a vfd drive invertor with three phase drives
exif: {"Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5 Windows", "Image DateTime": "2019:10:09 11:42:48", "Image ExifOffset": "160", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "550", "EXIF ExifImageLength": "550"}