Trabalhadores de perfuração, manutenção e serviços relacionados de petróleo e gás
Oil and gas drilling, servicing and related labourers
Arquivo de Profissão
School occupations.
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Oil and gas drilling, servicing and related labourers
Power engineers and power systems operators
Rubber processing machine operators and related workers
Logging and forestry labourers
Water and waste treatment plant operators
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