Suspended test mass mirror and hydraulic press: what they have in common

1. Step 1. Suspended test mass mirror — is part of — LIGO. Suspended mirrors.
2. Step 2. LIGO — uses — Vacuum. 4 km vacuum tubes.
3. Step 3. Vacuum — is used in — Sugar production. Vacuum pans for evaporation.
4. Step 4. Sugar production — is used in — Chocolate. Sugar.
5. Step 5. Chocolate — uses — Hydraulic press. Van Houten’s press separated cocoa butter.

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