Composite material and heat pump: what they have in common

1. Step 1. Composite material — includes — Carbon fibre. Carbon-fibre reinforced plastic is a composite.
2. Step 2. Carbon fibre — is material for — Tiltrotor. The blades and wing are composites.
3. Step 3. Tiltrotor — evolved from — Helicopter. A helicopter that turns into an aeroplane.
4. Step 4. Helicopter — has part — Gas turbine. A turboshaft engine.
5. Step 5. Gas turbine — has part — Compressor. A compressor.
6. Step 6. Compressor — is part of — Heat pump. A compressor.

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