Gummed adhesive back and monitor: what they have in common

1. Step 1. Gummed adhesive back — is part of — Postage stamp. Gum on the back.
2. Step 2. Postage stamp — uses — Offset printing. Printing.
3. Step 3. Offset printing — is used in — Billboard. Printing.
4. Step 4. Billboard — has part — LED. LED screens.
5. Step 5. LED — is part of — Liquid-crystal display. LED backlighting.
6. Step 6. Liquid-crystal display — is part of — Monitor. Then LCDs.

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