Plier jaws and diesel engine: what they have in common

1. Step 1. Plier jaws — is part of — Blacksmith’s tongs. Gripping the workpiece.
2. Step 2. Blacksmith’s tongs — is used in — Forge. The smith holds the workpiece with tongs.
3. Step 3. Forge — is used in — Forging press. The workpiece is heated in a forge before pressing.
4. Step 4. Forging press — evolved from — Steam hammer. Pressing instead of striking.
5. Step 5. Steam hammer — has part — Cylinder. A steam cylinder.
6. Step 6. Cylinder — is part of — Diesel engine. Cylinders.

Open Evothings