Scissors e heat pump: o que têm em comum

1. Passo 1. Scissors — utiliza — Wedge. The blades cut like wedges.
2. Passo 2. Wedge — faz parte de — Zip. The slider works like a wedge, bringing the teeth together and pushing them apart.
3. Passo 3. Zip — faz parte de — Wetsuit. A zip on the back.
4. Passo 4. Wetsuit — utiliza — Thermal insulation. Insulation.
5. Passo 5. Thermal insulation — é utilizado em — Energy-efficient house. Insulation.
6. Passo 6. Energy-efficient house — utiliza — Heat pump. Heating.

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