Linotype and camera: what they have in common

1. Step 1. Linotype — uses — Tin. A line is cast from type metal (lead, tin, antimony).
2. Step 2. Tin — is material for — Capacitor. The plates are made of tin foil.
3. Step 3. Capacitor — is part of — Photographic flash. Energy is stored in a capacitor.
4. Step 4. Photographic flash — is part of — Camera. A flash.

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