Newspaper and kiln: what they have in common

1. Step 1. Newspaper — uses — Rotary printing press. Mass print runs.
2. Step 2. Rotary printing press — evolved from — Gutenberg printing press. Cylinders instead of a flat press.
3. Step 3. Gutenberg printing press — has part — Movable type. Text is set from metal type.
4. Step 4. Movable type — is made of — Clay. Bi Sheng’s type was made of fired clay.
5. Step 5. Clay — is material for — Kiln. Kilns were built of clay.

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