Disadvantages of using compressed O2 cylinders in the home include which of the following? 1. High-pressure hazards 2. Limited volume of O2 3. Gas waste when not used 4. Need for frequent deliveries
a. 1 and 3 only
b. 1, 2, and 4 only
c. 2 and 4 only
d. 2, 3, and 4 only
ANS: B
Table 56-3 summarizes the major advantages and disadvantages of each system.
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Fill in the blank(s) with the appropriate word(s).
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