Matchlock e computador: o que têm em comum

1. Passo 1. Matchlock — faz parte de — Musket. Early muskets were matchlocks.
2. Passo 2. Musket — utiliza — Gunpowder. Gunpowder propels the bullet.
3. Passo 3. Gunpowder — é utilizado em — Rocket. The first rockets were powered by gunpowder.
4. Passo 4. Rocket — evoluiu para — Liquid-propellant rocket engine. Goddard switched to liquid fuel.
5. Passo 5. Liquid-propellant rocket engine — faz parte de — Lunar module. A descent engine.
6. Passo 6. Lunar module — utiliza — Computador. The Apollo Guidance Computer.

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