TYPES OF WORK
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BTENTERPRISES AND EMPLOYEES (LABOUR)
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UDC331,02.09
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Descriptor GERARBEITSARTEN
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Descriptor ENGTYPES OF WORK
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Descriptor FRETYPES DE TRAVAIL
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Variant ENGWORK/TYPE OF WORK
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NTGAINFUL EMPLOYMENT
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NTVOLUNTARY WORK
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NTMENTAL WORK + BRAIN-WORK
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NTPHYSICAL WORK
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NTUNPAID WORK