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QUESTION: Fix punctuation: Gas masks must be used and only trained personnel are employed
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QUESTION: Fix punctuation: A whole number of factors put cost pressure on breweries
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QUESTION: Fix punctuation: In 1834 Jacobi proved that if a singlevalued function of one variable is doubly periodic then the ratio of the periods is imaginary
ANS:
In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.