Antibodies and GPS (satellite navigation): what they have in common

1. Step 1. Antibodies — is used in — Rapid test. Antibodies.
2. Step 2. Rapid test — is made of — Gold. The label is gold nanoparticles.
3. Step 3. Gold — is material for — Glucose meter. The strip electrodes are gold or carbon.
4. Step 4. Glucose meter — has part — Liquid-crystal display. A screen.
5. Step 5. Liquid-crystal display — is part of — Car navigator. A screen.
6. Step 6. Car navigator — uses — GPS (satellite navigation). GPS.

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