Plier handles and kite: what they have in common

1. Step 1. Plier handles — is part of — Blacksmith’s tongs. Long handles increase the force.
2. Step 2. Blacksmith’s tongs — is used in — Forge. The smith holds the workpiece with tongs.
3. Step 3. Forge — uses — Combustion. Metal is heated in the flame.
4. Step 4. Combustion — is used in — Hot air balloon. A fire heated the air inside.
5. Step 5. Hot air balloon — is made of — Silk. The Montgolfier balloon was fabric lined with paper.
6. Step 6. Silk — is material for — Kite. Chinese kites were silk.

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