Sticking plaster and gutenberg printing press: what they have in common

1. Step 1. Sticking plaster — is part of — First aid kit. Plasters.
2. Step 2. First aid kit — is made of — Tin. A tin box.
3. Step 3. Tin — is used in — Linotype. A line is cast from type metal (lead, tin, antimony).
4. Step 4. Linotype — evolved from — Movable type. Mechanized typesetting.
5. Step 5. Movable type — is part of — Gutenberg printing press. Text is set from metal type.

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