Bluetooth transmitter and mechanical clock: what they have in common

1. Step 1. Bluetooth transmitter — is part of — Continuous glucose monitoring. It sends data over Bluetooth.
2. Step 2. Continuous glucose monitoring — evolved from — Glucose meter. Continuous measurement.
3. Step 3. Glucose meter — is made of — Gold. The strip electrodes are gold or carbon.
4. Step 4. Gold — is material for — Wristwatch. The case is gold or silver.
5. Step 5. Wristwatch — is a kind of — Mechanical clock. A wristwatch is a mechanical clock made small enough to wear.

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