Hose Vacuum : A small pneumatic vacuum generator that removes air from the inside of a fire hose making it smaller and firm, it is therefore easier to pack and takes up less space
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}