Clay core and rope: what they have in common

1. Step 1. Clay core — is part of — Levee. A clay layer that keeps water out.
2. Step 2. Levee — is made of — Clay. Levees were built up of earth and clay.
3. Step 3. Clay — is material for — Yo-yo. Greek yo-yos were terracotta.
4. Step 4. Yo-yo — has part — Rope. A thread.

Open Evothings