Hanger hook and aeroplane: what they have in common
- Step 1. Hanger hook — is part of — Clothes hanger. For the barbell.
- Step 2. Clothes hanger — is made of — Steel. Wire.
- Step 3. Steel — is material for — Landing gear. The landing gear legs are steel.
- Step 4. Landing gear — is part of — Aeroplane. Landing gear.