Liquid crystals and typewriter: what they have in common

1. Step 1. Liquid crystals — is material for — Liquid-crystal display. Liquid crystals.
2. Step 2. Liquid-crystal display — is part of — Laptop. An LCD screen.
3. Step 3. Laptop — has part — Keyboard. The keyboard is built into the laptop's case.
4. Step 4. Keyboard — is part of — Typewriter. The keys drive levers with type.

Open Evothings