Gantry portal e heat pump: o que têm em comum

1. Passo 1. Gantry portal — faz parte de — Portal crane. A U-shaped support over the tracks.
2. Passo 2. Portal crane — tem como parte — Wire rope. The load hangs on steel cables.
3. Passo 3. Wire rope — faz parte de — Mine hoist. Mine ropes were the first use of wire rope.
4. Passo 4. Mine hoist — tem como parte — Watt steam engine. Steam winding engines.
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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