Infantry fighting vehicle and gutenberg printing press: what they have in common
- Step 1. Infantry fighting vehicle — has part — Cannon. An autocannon.
- Step 2. Cannon — uses — Casting. Barrels were cast.
- Step 3. Casting — is used in — Linotype. It casts a line of type in metal.
- Step 4. Linotype — evolved from — Movable type. Mechanized typesetting.
- Step 5. Movable type — is part of — Gutenberg printing press. Text is set from metal type.