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Ventilation size-up. CHAPTER 6. FIREGROUND SUPPORT OPERATIONS IFSTA 1ST ED.. Ventilation Size-Up. At each incident, questions must be answered.Will ventilation be useful?What kind of ventilation will be needed?When will ventilation need to be established?Is the current method adequate?. Size-
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1. FIREGROUND SUPPORT OPERATIONS IFSTA 1ST ED.
2. Ventilation size-up CHAPTER 6