Hood and plough: what they have in common

1. Step 1. Hood — is part of — Raincoat. A hood.
2. Step 2. Raincoat — is a kind of — Clothing. Clothing.
3. Step 3. Clothing — includes — Trousers. Clothing.
4. Step 4. Trousers — has part — Zip. A fastener.
5. Step 5. Zip — has part — Wedge. The slider works like a wedge, bringing the teeth together and pushing them apart.
6. Step 6. Wedge — is used in — Plough. The ploughshare parts the soil like a wedge.

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