Corkscrew spiral worm and radio: what they have in common

1. Step 1. Corkscrew spiral worm — is part of — Corkscrew. A helical spiral.
2. Step 2. Corkscrew — has part — Handle. A handle acting as a lever.
3. Step 3. Handle — is part of — Reflex hammer. A handle.
4. Step 4. Reflex hammer — is made of — Vulcanized rubber. A rubber head.
5. Step 5. Vulcanized rubber — is material for — Weather balloon. The envelope is rubber or latex.
6. Step 6. Weather balloon — has part — Radio. A radiosonde.

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