page_title: Air pressurized water
hierarchical_section_title: Air pressurized water
caption_attribution_description: English: 2.5 gallon air pressurized water extinguisher.
context_page_description: Air pressurized water extinguishers are a type of fire extinguisher that use ordinary water to suppress fire. The water is propelled by ordinary air, pressurized in the extinguisher. They are also known by the slang term water can. Although only effective on Class A fires, they have the advantages of being inexpensive to build and maintain, and leaving no special chemical residue when used.
context_section_description: Air pressurized water (APW) extinguishers are a type of fire extinguisher that use ordinary water (H₂O) to suppress fire.  The water is propelled by ordinary air (atmosphere), pressurized in the extinguisher.  They are also known by the slang term water can.  Although only effective on Class A fires, they have the advantages of being inexpensive to build and maintain, and leaving no special chemical residue when used.
caption: A typical American APW extinguisher
exif: {"Image Make": "Canon", "Image Model": "Canon PowerShot SD1000", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "QuickTime 7.5", "Image DateTime": "2008:07:12 09:40:30", "Image HostComputer": "Mac OS X 10.4.9", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "254", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "642", "Thumbnail JPEGInterchangeFormatLength": "3659", "Thumbnail YCbCrPositioning": "Centered", "EXIF ExposureTime": "1/60", "EXIF FNumber": "14/5", "EXIF ISOSpeedRatings": "250", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2008:07:12 08:35:53", "EXIF DateTimeDigitized": "2008:07:12 08:35:53", "EXIF ShutterSpeedValue": "189/32", "EXIF ApertureValue": "95/32", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "95/32", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash fired, auto mode, red-eye reduction mode", "EXIF FocalLength": "29/5", "EXIF ColorSpace": "sRGB", "EXIF SensingMethod": "One-chip color area"}