Inner lacquer coating and bellows: what they have in common
- Step 1. Inner lacquer coating — is part of — Tin can. It protects against contact with the product.
- Step 2. Tin can — is made of — Tin. Tinplate.
- Step 3. Tin — is used in — Linotype. A line is cast from type metal (lead, tin, antimony).
- Step 4. Linotype — has part — Keyboard. A keyboard.
- Step 5. Keyboard — is part of — Pipe organ. Manuals were the first keyboards.
- Step 6. Pipe organ — has part — Bellows. Bellows supply the air.