Concrete mixer and hammer: what they have in common

1. Step 1. Concrete mixer — uses — Concrete. It mixes concrete.
2. Step 2. Concrete — is used in — Concrete pump. It pumps concrete.
3. Step 3. Concrete pump — has part — Piston pump. A piston pump.
4. Step 4. Piston pump — has part — Cylinder. The piston moves in a cylinder.
5. Step 5. Cylinder — is part of — Steam hammer. A steam cylinder.
6. Step 6. Steam hammer — evolved from — Hammer. A steam hammer is a hammer lifted by steam, used to forge huge parts.

Open Evothings