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742 |
Cookers, Roasters and Related Heat Treaters | Workers in this unit group perform cooking, roasting and other heattreating tasks in chemical and related processes. Their functions include: cooking materials to purify, mix or compound them, give them a special property or effect a chemical change in them; heating substances in ovens, kilns or similar devices to dry them, give them a special property or effect a chemical change in them; operating driers for the processing of chemicals and related materials; performing related tasks. |
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