Ventilation

5. (two words) phenomenon of a strong air draft moving from ground level to the roof level of a building
8. acronym for technique using smoke ejectors to develop artificial air flow to pull smoke out of building
9. Side of a building against which the wind is blowing, the high pressure side
10. Acronym for use and application of high volume ventilation fans before suppression that are intended to force heat and smoke toward desired exhaust openings
11. type of ventilation other than natural that may involve use of fans, blowers, ejectors or fire streams
12. (two words) planned, systematic, and coordinated removal of heated air, smoke and gases from a structure, replacing them with cooler or fresher air
15. The location where the hot gases and products of combustion leave a structure
17. (two words) when pressure is lower inside a structure than outside the structure, causing fresh air to move from outside to inside
18. (two words) defensive tactic that involves cutting an exit opening in a roof of a burning building, extending from one outside wall to the other
19. Type of cut, rectangular exhaust opening cut in a roof, allowing a section of roof deck to be tilted

1. structures or separate parts of the fireground to which a fire could spread
2. type of ventilation that uses wind, convection currents to ventilate a structure
3. (Two Words) when pressure is higher in a structure than outside a structure
4. systematic removal of heated air, smoke and gases
6. (Two words) single cut the width of the saw blade made in a roof to check for fire extension
7. Type of ventilation accomplished by using a spray stream to draw smoke from a compartment through an exterior opening
13. the location where air is being entrained toward of fire
14. Side of the building away from the wind, the low-pressure side
16. ventilation at a point above the fire through existing or created openings, may be done with skylights, roof vents or roof doors