Inner glass tube e screw press: o que têm em comum

1. Passo 1. Inner glass tube — faz parte de — Condensador de Liebig. Steam flows through it.
2. Passo 2. Condensador de Liebig — funciona como — Separate condenser. Condensing vapour by cooling.
3. Passo 3. Separate condenser — faz parte de — Watt steam engine. Watt’s main invention.
4. Passo 4. Watt steam engine — faz parte de — Rotary printing press. The first rotary presses were steam-driven.
5. Passo 5. Rotary printing press — evoluiu de — Gutenberg printing press. Cylinders instead of a flat press.
6. Passo 6. Gutenberg printing press — tem como parte — Screw press. Gutenberg adapted the screw press known from pressing grapes.

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