caption: The Water Environment Federation (WEF; Alexandria, Va.) has introduced a series of operator training materials that includes a fundamentals trainer's kit.
exif: {"Image ImageWidth": "481", "Image ImageLength": "600", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "PaintShop Pro 18.00", "Image InterColorProfile": "[]", "Image ExifOffset": "110", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "3434", "Thumbnail JPEGInterchangeFormatLength": "9452", "EXIF ExifImageWidth": "481", "EXIF ExifImageLength": "600"}