Writing and plough: what they have in common
- Step 1. Writing — uses — Ink. People wrote with ink on papyrus, parchment and paper.
- Step 2. Ink — is used in — Fountain pen. Ink.
- Step 3. Fountain pen — is made of — Stainless steel. The nib of a modern fountain pen is stainless steel.
- Step 4. Stainless steel — is material for — Fork. Stainless steel.
- Step 5. Fork — has part — Handle. A handle.
- Step 6. Handle — is part of — Plough. Handles for steering the plough.