Hydrofoil e gutenberg printing press: o que têm em comum
- Passo 1. Hydrofoil — tem como parte — Hull. A hull.
- Passo 2. Hull — faz parte de — Barco. A hull.
- Passo 3. Barco — evoluiu para — Sailing ship. Sailing ships grew out of rowing boats.
- Passo 4. Sailing ship — utiliza — Mercator projection. Navigating along straight rhumb lines.
- Passo 5. Mercator projection — utiliza — Gutenberg printing press. Maps were printed in large numbers.