Thimble and parachute: what they have in common

1. Step 1. Thimble — is made of — Bronze. Ancient thimbles were bronze.
2. Step 2. Bronze — is material for — Helmet. Ancient helmets were copper and bronze.
3. Step 3. Helmet — is made of — Kevlar. Modern ones are aramid.
4. Step 4. Kevlar — is material for — Paraglider. The lines are Kevlar or Dyneema.
5. Step 5. Paraglider — evolved from — Parachute. A parachute wing.

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