Blank coin disc and transformer: what they have in common

1. Step 1. Blank coin disc — is part of — Coin. A metal blank.
2. Step 2. Coin — is made of — Silver. Silver coins.
3. Step 3. Silver — is material for — Control rod. Control rods of pressurized water reactors are a silver–indium–cadmium alloy.
4. Step 4. Control rod — is part of — Nuclear reactor. The rods control the power.
5. Step 5. Nuclear reactor — is part of — Nuclear power plant. The reactor heats the coolant.
6. Step 6. Nuclear power plant — has part — Transformer. Transformers step up the voltage so the plant's power can travel far.

Open Evothings