Greek fire and modem: what they have in common

1. Step 1. Greek fire — uses — Piston pump. It was projected by a siphon pump.
2. Step 2. Piston pump — has part — Piston. The piston draws in and pushes out liquid.
3. Step 3. Piston — is part of — Insulin pump. The reservoir’s plunger.
4. Step 4. Insulin pump — has part — Microprocessor. A dosing controller.
5. Step 5. Microprocessor — includes — Digital signal processor. A specialized processor.
6. Step 6. Digital signal processor — is part of — Modem. Signal processing in high-speed modems.

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