Barbed wire and rock drill: what they have in common

1. Step 1. Barbed wire — uses — Wire drawing. Wire is made by drawing.
2. Step 2. Wire drawing — is used in — Copper wire. Drawing.
3. Step 3. Copper wire — is part of — Electromagnet. A winding.
4. Step 4. Electromagnet — is part of — Bubble chamber. The field bends the tracks.
5. Step 5. Bubble chamber — has part — Piston. It releases pressure.
6. Step 6. Piston — is part of — Rock drill. A percussion piston.

Open Evothings