Cuneiform and electric motor: what they have in common

1. Step 1. Cuneiform — is a kind of — Writing. Cuneiform is one of the first writing systems.
2. Step 2. Writing — uses — Ink. People wrote with ink on papyrus, parchment and paper.
3. Step 3. Ink — is used in — Printer. It prints with ink.
4. Step 4. Printer — has part — Electric motor. Motors move the paper and the head.

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