Tyre tread and screw press: what they have in common

1. Step 1. Tyre tread — is made of — Carbon. With carbon black for strength.
2. Step 2. Carbon — is material for — Laser printer. Toner is carbon black in resin.
3. Step 3. Laser printer — is a kind of — Printer. A printer.
4. Step 4. Printer — works like — Gutenberg printing press. A printer is a personal printing press: it transfers an image onto paper.
5. Step 5. Gutenberg printing press — has part — Screw press. Gutenberg adapted the screw press known from pressing grapes.

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