Encapsulated pan base and hydraulic press: what they have in common

1. Step 1. Encapsulated pan base — is part of — Saucepan. A multi-layer base spreads the heat.
2. Step 2. Saucepan — has part — Pot lid. A cap.
3. Step 3. Pot lid — is part of — Plastic bottle. A polyethylene lid.
4. Step 4. Plastic bottle — uses — Injection moulding. Preforms are moulded and then blown.
5. Step 5. Injection moulding — works like — Extrusion. Both methods shape material by pushing it through tooling.
6. Step 6. Extrusion — uses — Hydraulic press. Presses.

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