Bleach and radio: what they have in common

1. Step 1. Bleach — is made of — Chlorine. Hypochlorite.
2. Step 2. Chlorine — is material for — Polyvinyl chloride (PVC). It contains chlorine.
3. Step 3. Polyvinyl chloride (PVC) — is material for — Payment card. The card is PVC.
4. Step 4. Payment card — has part — Integrated circuit. An EMV chip.
5. Step 5. Integrated circuit — is part of — Mobile phone. Inside a phone are microchips: processor, memory, radio.
6. Step 6. Mobile phone — evolved from — Radio. Mobile communication is a development of radiotelephony.

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