Steel cord and transformer: what they have in common

1. Step 1. Steel cord — is part of — Radial tyre. Steel cord.
2. Step 2. Radial tyre — is a kind of — Pneumatic tyre. A kind of tyre.
3. Step 3. Pneumatic tyre — is part of — Electric car. An electric car’s wheels have pneumatic tyres.
4. Step 4. Electric car — uses — Charging station. It charges at charging stations.
5. Step 5. Charging station — uses — Electrical grid. Powered from the grid.
6. Step 6. Electrical grid — has part — Transformer. Transformer substations.

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