Handle wedge e heat pump: o que têm em comum

1. Passo 1. Handle wedge — faz parte de — Hammer. It wedges the handle in the eye.
2. Passo 2. Hammer — evoluiu para — Steam hammer. A steam hammer is a hammer lifted by steam, used to forge huge parts.
3. Passo 3. Steam hammer — tem como parte — Cilindro. A steam cylinder.
4. Passo 4. Cilindro — faz parte de — Watt steam engine. Steam works in the cylinder.
5. Passo 5. Watt steam engine — inspirou — Thermodynamics. Carnot wrote “Reflections on the Motive Power of Fire” trying to understand steam engines.
6. Passo 6. Thermodynamics — é utilizado em — Heat pump. A heat pump moves heat from cold to warm by spending work — by the laws of thermodynamics.

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