Tin can and cannon: what they have in common

1. Step 1. Tin can — is made of — Tin. Tinplate.
2. Step 2. Tin — is used in — Linotype. A line is cast from type metal (lead, tin, antimony).
3. Step 3. Linotype — uses — Casting. It casts a line of type in metal.
4. Step 4. Casting — is used in — Cannon. Barrels were cast.

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