Dartboard wire spider and radio: what they have in common

1. Step 1. Dartboard wire spider — is part of — Darts. A metal mesh of sectors.
2. Step 2. Darts — is made of — Plant fibre. Modern ones are made of compressed sisal.
3. Step 3. Plant fibre — is material for — Footwear. The oldest sandals (Fort Rock) were woven from sagebrush bark.
4. Step 4. Footwear — is made of — Vulcanized rubber. A rubber sole.
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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