Powder metallurgy and electrical grid: what they have in common

1. Step 1. Powder metallurgy — uses — Sintering. Sintering.
2. Step 2. Sintering — uses — Kiln. An oven.
3. Step 3. Kiln — is used in — Brick. Fired brick is stronger than mud brick.
4. Step 4. Brick — is material for — Power station. The buildings of the first power stations were brick.
5. Step 5. Power station — is part of — Electrical grid. Power stations feed the grid.

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