Labour force: the number of available workers in an area;?

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*“Labour” itself doesn’t sound very nice. It sounds a little bit disrespectful. Because “l(fā)abour” or “l(fā)abourers” are people with no real training.They are doing the lowest possible type of work. We don’t really call pepole labourers much anymore. It’s a little bit insulting to them. ?(Forget it!)

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Workforce: the number of people who are actually working;

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Available workforce.