Mass analyzer and diesel engine: what they have in common

1. Step 1. Mass analyzer — is part of — Mass spectrometer. It separates ions by mass.
2. Step 2. Mass spectrometer — has part — Vacuum pump. A vacuum system.
3. Step 3. Vacuum pump — evolved from — Piston pump. Guericke adapted the piston pump to pump out air.
4. Step 4. Piston pump — has part — Cylinder. The piston moves in a cylinder.
5. Step 5. Cylinder — is part of — Diesel engine. Cylinders.

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