Paper tissues and r-7 rocket: what they have in common

1. Step 1. Paper tissues — is made of — Wood pulp. Cellulose.
2. Step 2. Wood pulp — is made of — Cellulose. Wood cellulose.
3. Step 3. Cellulose — is material for — Smokeless powder. Nitrocellulose.
4. Step 4. Smokeless powder — is material for — Solid rocket motor. The propellant is smokeless powder.
5. Step 5. Solid rocket motor — is part of — Intercontinental ballistic missile. Solid-fuel ICBMs.
6. Step 6. Intercontinental ballistic missile — includes — R-7 rocket. The R-7 was designed as an ICBM.

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