Sawmill e multistage rocket: o que têm em comum
- Passo 1. Sawmill — tem como parte — Water wheel. Early sawmills were driven by water wheels.
- Passo 2. Water wheel — evoluiu para — Turbine. The water turbine evolved from the water wheel.
- Passo 3. Turbine — faz parte de — Turbojet engine. The turbine drives the compressor.
- Passo 4. Turbojet engine — utiliza — Kerosene. Jet fuel is kerosene.
- Passo 5. Kerosene — é material para — Multistage rocket. The fuel is kerosene.