Penny-farthing and electrical grid: what they have in common

1. Step 1. Penny-farthing — has part — Spoke. Tension spokes.
2. Step 2. Spoke — is part of — Bicycle wheel. Spokes are tensioned between the rim and the hub and carry the load.
3. Step 3. Bicycle wheel — has part — Pneumatic tyre. The tyre softens bumps and improves grip.
4. Step 4. Pneumatic tyre — is part of — Electric car. An electric car’s wheels have pneumatic tyres.
5. Step 5. Electric car — uses — Charging station. It charges at charging stations.
6. Step 6. Charging station — uses — Electrical grid. Powered from the grid.

Open Evothings