Colossus and oil well: what they have in common

1. Step 1. Colossus — is made of — Paper. The data is on paper punched tape.
2. Step 2. Paper — is material for — Tetra Pak. Cardboard.
3. Step 3. Tetra Pak — is made of — Polyethylene. Polyethylene.
4. Step 4. Polyethylene — is made of — Crude oil. Made from petroleum products.
5. Step 5. Crude oil — uses — Oil well. Oil is extracted from wells.

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