Positive Pressure Ventilation (PPV) : Ventilation of an area by the use of a fan to push clean air into that space and controlled use of openings for the escape of smoke and gasses
Wikipedia, The Free Encyclopedia, Glossary of firefighting equipment, Wikimedia Foundation, http://en.wikipedia.org/wiki/Glossary_of_firefight ing_equipment, CA, USA 2012. (Fr Srvc - Amer) {509}