Water buckets on a wheel and heat pump: what they have in common
- Step 1. Water buckets on a wheel — is part of — Noria. Pots on the rim lift the water.
- Step 2. Noria — uses — Water wheel. The current itself turns the wheel.
- Step 3. Water wheel — evolved into — Turbine. The water turbine evolved from the water wheel.
- Step 4. Turbine — is part of — Gas turbine. A turbine.
- Step 5. Gas turbine — has part — Compressor. A compressor.
- Step 6. Compressor — is part of — Heat pump. A compressor.