Wooden rifle stock and electric generator: what they have in common

1. Step 1. Wooden rifle stock — is part of — Mosin rifle. A wooden stock.
2. Step 2. Mosin rifle — has part — Gun barrel. A rifled barrel.
3. Step 3. Gun barrel — is part of — Mortar (weapon). A smooth bore.
4. Step 4. Mortar (weapon) — uses — Universal gravitation. The bomb flies on a steep trajectory.
5. Step 5. Universal gravitation — is used in — Hydroelectric power station. The energy of falling water.
6. Step 6. Hydroelectric power station — has part — Electric generator. Generators.

Open Evothings