Silk tie fabric and rocket: what they have in common

1. Step 1. Silk tie fabric — is part of — Necktie. Silk.
2. Step 2. Necktie — is made of — Silk. Silk.
3. Step 3. Silk — is material for — Hot air balloon. The Montgolfier balloon was fabric lined with paper.
4. Step 4. Hot air balloon — is made of — Paper. It was lined with paper on the inside.
5. Step 5. Paper — is material for — Rocket. The first rockets were paper tubes filled with gunpowder.

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