Electrodes and hammer: what they have in common

1. Step 1. Electrodes — is part of — Electrolyser. Nickel electrodes.
2. Step 2. Electrolyser — is made of — Nickel. The electrodes are nickel.
3. Step 3. Nickel — is material for — Stainless steel. Nickel in austenitic steels.
4. Step 4. Stainless steel — is material for — Scalpel. Stainless steel.
5. Step 5. Scalpel — has part — Handle. A blade holder.
6. Step 6. Handle — is part of — Hammer. A handle.

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