Anchor stock and sickle: what they have in common

1. Step 1. Anchor stock — is part of — Anchor. The crossbar turns the flukes downward.
2. Step 2. Anchor — is used in — Anchor windlass. It raises the anchor.
3. Step 3. Anchor windlass — is a kind of — Windlass. A ship’s windlass.
4. Step 4. Windlass — uses — Crank. The handle of a windlass is a crank.
5. Step 5. Crank — is part of — Reaper. A crank moves the knife.
6. Step 6. Reaper — evolved from — Sickle. Mechanical reaping.

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