Labourers shall fulfill their Labour tasks, improve their vocational skills, follow rules on occupational safety and health, and observe Labour discipline and professional ethics.

劳动者应当完成劳动任务，提高职业技能，执行劳动安全卫生规程，遵守劳动纪律和职业道德。

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Whether that be WalMart, the tractor or a production line: they all add to the collective wealth as they free up labour to perform other tasks.

FORBES: Of Course WalMart Destroys Retail Jobs: That's The Darn Point Of It All

Among them are routine but vital tasks that were labour-intensive before the computing revolution: manufacturing and number-crunching jobs that used to pay handsomely.

ECONOMIST: The middle-class task- force

Using less labour to perform one specific task frees up that labour to go and perform other tasks.

FORBES: Of Course WalMart Destroys Retail Jobs: That's The Darn Point Of It All