Vision Panel 2 : A transparent panel in a wall or door of an inner room enabling the occupant to become aware of a fire in the access area during the early stages
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}