Packet switching and rope: what they have in common

1. Step 1. Packet switching — is used in — Ethernet. Data frames.
2. Step 2. Ethernet — has part — Copper wire. Twisted pair.
3. Step 3. Copper wire — uses — Wire drawing. Drawing.
4. Step 4. Wire drawing — is used in — Wire rope. The wire is drawn.
5. Step 5. Wire rope — evolved from — Rope. A steel counterpart of rope.

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