is a grouping by type. carbon dioxide gas. uses a powdery chemical instead of liquid CO2. is a portable container with chemicals used to put out fires. flexible tube that carries water from a hydrant to a fire. the act of controlling or extinguishing fires. protective uniform worn by a firefighter. is a collection of containers that release CO2 into a room to combat fires. that catches fire easily. is an anchored line used to pull a firefighter out of an enclosed space in case of an emergency. is a memory aid for pull signals where each letter indicated the meaning of a series of pulls. are tugs on a lifeline used by firefighters to communicate. is a mechanical equipment that automatically sprays water over an area. is the act or process of moving air throughout a space.