The main control valve is used to:
A. simulate actuation of the system.
B. stop supplying water to the system.
C. initiate an alarm when water begins to flow.
D. drain water from the system for maintenance.
B
Health Professions
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Numerous emerging issues that will challenge firefighters in the future and will require research include?
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An artificial pacemaker can be used to treat sinus bradycardia
Indicate whether the statement is true or false
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