Tea bag string with tag and smartphone: what they have in common

1. Step 1. Tea bag string with tag — is part of — Tea bag. For taking out the bag.
2. Step 2. Tea bag — is made of — Paper. Filter paper.
3. Step 3. Paper — is material for — Loudspeaker. The cone is paper.
4. Step 4. Loudspeaker — is part of — Smartphone. An earpiece speaker and a multimedia speaker.

Open Evothings