Globe e piston pump: o que têm em comum

1. Passo 1. Globe — é feito de — Paper. The world map is glued onto the ball in paper gores.
2. Passo 2. Paper — é utilizado em — Rotary printing press. It prints on a paper web.
3. Passo 3. Rotary printing press — tem como parte — Watt steam engine. The first rotary presses were steam-driven.
4. Passo 4. Watt steam engine — evoluiu de — Piston pump. The first steam engines (Newcomen’s) pumped water out of mines by driving pumps.

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