檢索結果 - "Gold miners"
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- Accidents 1
- Copper miners 1
- Copper mines and mining 1
- Estudio de tiempos 1
- Gold miners 1
- Gold mines and mining 1
- Microwave drying 1
- Mine accidents 1
- Mine rescue work 1
- Minerales 1
- Ores 1
- Roasting; Gold; Mineral ore; Microwave heating; Smelting 1
- San José Mine Accident, Chile, 2010 1
- Secado por microondas 1
- Temperatura 1
- Temperature 1
- Time study 1
- Tostacin̤; Oro; Mineral; Calentamiento microondas;Fundicin̤ 1
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