Each of the following is a method used to maintain indoor air quality except _____
A) an open window
B) electronic air cleaners
C) exhaust fans
D) condensate pumps
Answer: D
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a. Category I b. Category II c. Category III d. Category IV
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Review drawing number 523797C0A and then answer the question.
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What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
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