One of the types of valves used to shut down a sprinkler system is the OS&Y (____) valve.

A. orange screw and yoke
B. outside sail and yoke
C. one size and yoke
D. outside screw and yoke

Answer: D

Health Professions

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The presence of microorganisms with a tissue reaction is called:

A. contamination. B. denaturation. C. nosocomial infection. D. an infection.

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