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923 |
Stereotypers and Electrotypers | Workers in this unit group make printing plates from set-up type by stereotyping and electroplating processes. Their functions include: making moulds of set-up type with papier-mâché, wax or other materials; making printing plates by casting metal in moulds of papier-mâché or other material bearing impression of type, or by putting metal backing on shell made by electroplating moulds to reproduce type. |
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