Playing cards and archimedes’ screw: what they have in common

1. Step 1. Playing cards — uses — Woodblock printing. Printed by woodblock.
2. Step 2. Woodblock printing — evolved into — Movable type. Bi Sheng replaced the solid block with individual pieces of type.
3. Step 3. Movable type — is part of — Gutenberg printing press. Text is set from metal type.
4. Step 4. Gutenberg printing press — has part — Screw press. Gutenberg adapted the screw press known from pressing grapes.
5. Step 5. Screw press — uses — Screw. The force is produced by turning a screw.
6. Step 6. Screw — is used in — Archimedes’ screw. A rotating helical surface lifts water.

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