work·er
/ˈwərkər/
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noun
1.
a person who does a specified type of work or who works in a specified way.
"a farm worker"
2.
a person who produces or achieves a specified thing.
"a worker of miracles"
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D) police force and sewer in london
The answer is B. Three days
The unemployment rate is measured by a division of the department of labor known as the bureau of labor statistics or BLS this government agency conducts