| 41. | Industrial action was also a major cause of the drop in gold production in 1995.
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| 42. | At Hedland there is no industrial action at all.
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| 43. | The industrial action was not organized by the union.
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| 44. | This result was achieved despite industrial action during 1990.
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| 45. | But unions refused to call off Wednesday's industrial action.
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| 46. | Industrial action by building employers includes locking out employees.
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| 47. | The union has to give the airline seven days'notice of strikes or other industrial action.
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| 48. | The industrial action began Tuesday after negotiations over pay and working conditions collapsed last week.
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| 49. | Industrial action may last weeks or months, he said.
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| 50. | It is the second wave of industrial action staged by the union in one week.
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