광물 및 금속 가공 감독관
Supervisors, mineral and metal processing
직업 아카이브
School occupations.
이 컬렉션에서 516개 항목 이용 가능.
Supervisors, mineral and metal processing
Aircraft assemblers and aircraft assembly inspectors
Woodworking machine operators
Supervisors, petroleum, gas and chemical processing and utilities
Machine operators, mineral and metal processing
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