Icebreaker and multistage rocket: what they have in common

1. Step 1. Icebreaker — has part — Propeller. Propellers.
2. Step 2. Propeller — is part of — Airship. Air propellers.
3. Step 3. Airship — uses — Hydrogen. Zeppelins were filled with hydrogen.
4. Step 4. Hydrogen — is used in — Saturn V. Hydrogen stages.
5. Step 5. Saturn V — is a kind of — Multistage rocket. A rocket.

Open Evothings