Neoprene and laser: what they have in common

1. Step 1. Neoprene — is material for — Wetsuit. Neoprene.
2. Step 2. Wetsuit — uses — Thermal insulation. Insulation.
3. Step 3. Thermal insulation — is used in — Vacuum flask. Insulation.
4. Step 4. Vacuum flask — has part — Mirror. The silvering reflects heat radiation.
5. Step 5. Mirror — is part of — Laser. A resonator made of mirrors.

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