Press rollers and telephone: what they have in common
- Step 1. Press rollers — is part of — Paper machine. Rollers squeeze out the water.
- Step 2. Paper machine — is used in — Paper. Industrial production.
- Step 3. Paper — is material for — Loudspeaker. The cone is paper.
- Step 4. Loudspeaker — is part of — Telephone. The earpiece reproduces the other person’s voice.