Vibration motor and shipping container: what they have in common

1. Step 1. Vibration motor — is made of — Tungsten. The eccentric weight is tungsten.
2. Step 2. Tungsten — is material for — Plasma cutting. The electrode is tungsten or hafnium.
3. Step 3. Plasma cutting — has part — Compressor. Supplying the plasma gas.
4. Step 4. Compressor — is part of — Air brake. A compressor pumps the air.
5. Step 5. Air brake — is part of — Truck. Air brakes, as on trains.
6. Step 6. Truck — uses — Shipping container. A container moves from ship to truck without being unloaded.

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