____________________ release chemicals that kill disease-causing organisms.
Fill in the blank(s) with the appropriate word(s).
Antigens
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Pressure gauges are usually attached to the vessel with one or more _____.
a. shutoff valves b. test blinds c. elbows d. thermowells
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Express 14°28'37" as decimal degrees. Round the answer to 4 decimal places.
Fill in the blank(s) with the appropriate word(s).
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Round 55.844 5 to the nearest hundredth
What will be an ideal response?
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Mixed format: 
(with a space between the whole number and the numerator)Fraction format: 
Reduce all fractions. The ceiling outlets on a residential job weigh an average of 
pound each, and 12 are required. Find the total weight of the outlets.
Fill in the blank(s) with the appropriate word(s).
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