Fire Extinguisher, Air-Pressurized Water APW : APW fire extinguisher, partially filled with water and then pressurized with an air pump; popular in the US in the 2?-gallon size, rated 2A
Wikipedia, The Free Encyclopedia, Glossary of firefighting terms, Wikimedia Foundation, CA, USA 2012. http://en.wikipedia.org/wiki/Glossary_of_firefight ing_terms, (Fr Srvc - Amer) {510}