Hydraulic ventilation involves using a spray nozzle set on a_______ pattern to draw the smoke out an opening such as a window or door.

Name: Hydraulic ventilation involves using a spray nozzle set on a_______ pattern to draw the smoke out an opening such as a window or door.
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Question

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Hydraulic ventilation uses a fog pattern to create air movement and pressure differences that help draw smoke out of a structure through an opening like a window or door.

Hydraulic Ventilation Involves Using a Spray Nozzle Set on A_______