Sharp stone edge and kite: what they have in common

1. Step 1. Sharp stone edge — is part of — Hand axe. A sharp edge around the perimeter.
2. Step 2. Hand axe — is made of — Flint. Hand axes were flaked from flint on both sides.
3. Step 3. Flint — is material for — Bow and arrow. Arrowheads were knapped from flint.
4. Step 4. Bow and arrow — has part — Rope. The bowstring is a cord of sinew or fibre.
5. Step 5. Rope — is part of — Kite. The line holds the kite and passes the tension to the hand.

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