Dental composite resin and particle accelerator: what they have in common

1. Step 1. Dental composite resin — is part of — Dental filling. A polymer with a filler.
2. Step 2. Dental filling — is made of — Mercury. Amalgam is a mercury alloy.
3. Step 3. Mercury — is material for — Barometer. A column of mercury.
4. Step 4. Barometer — uses — Vacuum. The Torricellian vacuum above the mercury.
5. Step 5. Vacuum — is used in — Particle accelerator. A vacuum chamber.

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