Hourglass neck e tank: o que têm em comum
- Passo 1. Hourglass neck — faz parte de — Hourglass. A narrow neck sets the rate.
- Passo 2. Hourglass — utiliza — Gravity flow. Sand pours through under gravity.
- Passo 3. Gravity flow — é utilizado em — Water wheel. Falling or flowing water turns the wheel.
- Passo 4. Water wheel — evoluiu para — Turbine. The water turbine evolved from the water wheel.
- Passo 5. Turbine — faz parte de — Gas turbine. A turbine.
- Passo 6. Gas turbine — faz parte de — Tank. Some tanks (T-80, Abrams) have a gas turbine engine.