Evaporator coil and submarine: what they have in common

1. Step 1. Evaporator coil — is part of — Freezer. It cools the chamber.
2. Step 2. Freezer — has part — Compressor. A compressor compresses the refrigerant.
3. Step 3. Compressor — is part of — Gas turbine. A compressor.
4. Step 4. Gas turbine — is part of — Tank. Some tanks (T-80, Abrams) have a gas turbine engine.
5. Step 5. Tank — has part — Periscope. Observation devices.
6. Step 6. Periscope — is part of — Submarine. A periscope.

Open Evothings