Umbilical fueling mast and internet: what they have in common

1. Step 1. Umbilical fueling mast — is part of — Launch complex. It supplies fuel, communications and power.
2. Step 2. Launch complex — uses — Rocket. Launching rockets.
3. Step 3. Rocket — evolved into — Solid rocket motor. Gunpowder rockets.
4. Step 4. Solid rocket motor — is part of — Space Shuttle. Boosters.
5. Step 5. Space Shuttle — is made of — Silica (sand). The heat-shield tiles are silica fibre.
6. Step 6. Silica (sand) — is material for — Internet. The backbones are silica optical fibre.

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