Fire Extinguisher 48 : Placement of Fire Extinguisher Signs: Most licensing authorities have regulations describing the standard appearance of these signs (e. g. text height, pictographs used and so on)
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}