Alfabeto e steam turbine: o que têm em comum

1. Passo 1. Alfabeto — é utilizado em — Movable type. An alphabet with few signs made typesetting worthwhile in Europe.
2. Passo 2. Movable type — faz parte de — Gutenberg printing press. Text is set from metal type.
3. Passo 3. Gutenberg printing press — evoluiu para — Rotary printing press. Cylinders instead of a flat press.
4. Passo 4. Rotary printing press — tem como parte — Watt steam engine. The first rotary presses were steam-driven.
5. Passo 5. Watt steam engine — evoluiu para — Steam turbine. The turbine replaced piston engines in large installations.

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