Grill and shipping container: what they have in common

1. Step 1. Grill — uses — Charcoal. Charcoal.
2. Step 2. Charcoal — uses — Combustion. Burning wood without air.
3. Step 3. Combustion — is used in — Lighthouse. Ancient lighthouses shone with fire.
4. Step 4. Lighthouse — is part of — Seaport. A lighthouse.
5. Step 5. Seaport — has part — Container crane. Container cranes.
6. Step 6. Container crane — uses — Shipping container. It moves containers.

Open Evothings