Playing cards und Archimedische Schraube: was sie gemeinsam haben

1. Schritt 1. Playing cards — nutzt — Woodblock printing. Printed by woodblock.
2. Schritt 2. Woodblock printing — entwickelte sich zu — Movable type. Bi Sheng replaced the solid block with individual pieces of type.
3. Schritt 3. Movable type — ist Teil von — Gutenberg printing press. Text is set from metal type.
4. Schritt 4. Gutenberg printing press — hat als Teil — Screw press. Gutenberg adapted the screw press known from pressing grapes.
5. Schritt 5. Screw press — nutzt — Screw. The force is produced by turning a screw.
6. Schritt 6. Screw — wird verwendet in — Archimedische Schraube. A rotating helical surface lifts water.

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