Axe and transformer: what they have in common

1. Step 1. Axe — uses — Wedge. The blade of an axe is a wedge.
2. Step 2. Wedge — is used in — Icebreaker. The bow rides up onto the ice and crushes it.
3. Step 3. Icebreaker — includes — Nuclear icebreaker. An icebreaker.
4. Step 4. Nuclear icebreaker — has part — Nuclear reactor. A reactor plant.
5. Step 5. Nuclear reactor — is part of — Nuclear power plant. The reactor heats the coolant.
6. Step 6. Nuclear power plant — has part — Transformer. Transformers step up the voltage so the plant's power can travel far.

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