Lithography and dewar flask: what they have in common

1. Step 1. Lithography — evolved into — Offset printing. Offset is a development of lithography.
2. Step 2. Offset printing — uses — Vulcanized rubber. A rubber offset cylinder.
3. Step 3. Vulcanized rubber — is material for — Milking machine. Teat liners.
4. Step 4. Milking machine — uses — Vacuum. Vacuum milking.
5. Step 5. Vacuum — is used in — Dewar flask. A vacuum.

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