Fuel injector and rolling mill: what they have in common

1. Step 1. Fuel injector — is part of — Diesel engine. It injects fuel into hot compressed air.
2. Step 2. Diesel engine — is part of — Drilling rig. The drive.
3. Step 3. Drilling rig — has part — Block and tackle. The block and tackle lifts the drill string.
4. Step 4. Block and tackle — is part of — Overhead crane. A block and tackle.
5. Step 5. Overhead crane — is part of — Steel works. Overhead cranes.
6. Step 6. Steel works — has part — Rolling mill. Rolling mills.

Open Evothings