Sulfonamides e screw press: o que têm em comum

1. Passo 1. Sulfonamides — evoluiu de — Synthetic dye. Prontosil was a red dye.
2. Passo 2. Synthetic dye — é feito de — Carvão mineral. Aniline from coal tar.
3. Passo 3. Carvão mineral — é utilizado em — Watt steam engine. Steam engines were fired with coal.
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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