Brick studs e rocket: o que têm em comum

1. Passo 1. Brick studs — faz parte de — LEGO bricks. Studs on top fit into the tubes of the brick below.
2. Passo 2. LEGO bricks — utiliza — Interchangeable parts. Any brick fits any other.
3. Passo 3. Interchangeable parts — é utilizado em — Revolver. Colt used machine production of interchangeable parts.
4. Passo 4. Revolver — utiliza — Gunpowder. Gunpowder propels the bullet.
5. Passo 5. Gunpowder — é utilizado em — Rocket. The first rockets were powered by gunpowder.

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