Steel nib and syringe: what they have in common

1. Step 1. Steel nib — is part of — Fountain pen. A nib.
2. Step 2. Fountain pen — is made of — Gold. Expensive nibs are gold: it does not corrode and flexes softly.
3. Step 3. Gold — is material for — Coin. The first Lydian coins were made of electrum, an alloy of gold and silver.
4. Step 4. Coin — is made of — Silver. Silver coins.
5. Step 5. Silver — is material for — Syringe. Early needles were silver.

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