Audiometer and rope: what they have in common

1. Step 1. Audiometer — has part — Headphones. Headphones.
2. Step 2. Headphones — has part — Copper wire. A cable.
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.

Open Evothings