Staged Fire Alarms : A fire warning which can be given in two or more stages for different purposes within a given area (i. e. notifying staff, stand by to evacuate, full evacuation)
Solutions Fire Safety Ltd, Fire Safety Glossary: An A - Z of definitions regarding fire safety terms and vocabulary, Solutions Fire Safety Ltd, UK 2012. http://solutionsfire.co.uk/Fire-literatures-PDF/Fi re-Safety-Glossary.pdf, (Fr Sfty - Brit) {465}