Rotary printing press and shipping container: what they have in common

1. Step 1. Rotary printing press — has part — Watt steam engine. The first rotary presses were steam-driven.
2. Step 2. Watt steam engine — is part of — Mine hoist. Steam winding engines.
3. Step 3. Mine hoist — has part — Wire rope. Mine ropes were the first use of wire rope.
4. Step 4. Wire rope — is part of — Container crane. Cables.
5. Step 5. Container crane — uses — Shipping container. It moves containers.

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