Liquid-propellant rocket engine e submarine: o que têm em comum

1. Passo 1. Liquid-propellant rocket engine — tem como parte — De Laval nozzle. A nozzle.
2. Passo 2. De Laval nozzle — evoluiu de — Steam turbine. De Laval invented the nozzle for a steam turbine.
3. Passo 3. Steam turbine — faz parte de — Nuclear submarine. A turbine turns the propeller.
4. Passo 4. Nuclear submarine — evoluiu de — Submarine. Nuclear power let submarines stay submerged for months.

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